### test parallel_tutorial fetch -o - http://pi.dk/3 ) > install.sh $ sha1sum install.sh 12345678 3374ec53 bacb199b 245af2dd a86df6c9 $ md5sum install.sh 029a9ac0 6e8b5bc6 052eac57 b2c3c9ca $ sha512sum install.sh 40f53af6 9e20dae5 713ba06c f517006d 9897747b ed8a4694 b1acba1b 1464beb4 60055629 3f2356f3 3e9c4e3c 76e3f3af a9db4b32 bd33322b 975696fc e6b23cfb $ bash install.sh /bin/bash: -c: line 0: syntax error near unexpected token `)' /bin/bash: -c: line 0: ` fetch -o - http://pi.dk/3 ) > install.sh' parallel -k echo ::: A B C > abc-file parallel -k echo ::: D E F > def-file perl -e 'printf "A\0B\0C\0"' > abc0-file perl -e 'printf "A_B_C_"' > abc_-file perl -e 'printf "f1\tf2\nA\tB\nC\tD\n"' > tsv-file.tsv perl -e 'for(1..8){print "$_\n"}' > num8 perl -e 'for(1..128){print "$_\n"}' > num128 perl -e 'for(1..30000){print "$_\n"}' > num30000 perl -e 'for(1..1000000){print "$_\n"}' > num1000000 (echo %head1; echo %head2; \ sleep .3 /bin/bash: -c: line 2: syntax error: unexpected end of file sleep .3 perl -e 'for(1..10){print "$_\n"}') > num_%header /bin/bash: -c: line 0: syntax error near unexpected token `)' /bin/bash: -c: line 0: ` perl -e 'for(1..10){print "$_\n"}') > num_%header' perl -e 'print "HHHHAAABBBCCC"' > fixedlen parallel echo ::: A B C A B C parallel -a abc-file echo A B C cat abc-file | parallel echo A B C parallel echo ::: A B C ::: D E F A D A E A F B D B E B F C D C E C F parallel -a abc-file -a def-file echo A D A E A F B D B E B F C D C E C F cat abc-file | parallel -a - -a def-file echo A D A E A F B D B E B F C D C E C F cat abc-file | parallel echo :::: - def-file A D A E A F B D B E B F C D C E C F parallel echo ::: A B C :::: def-file A D A E A F B D B E B F C D C E C F parallel --link echo ::: A B C ::: D E F A D B E C F parallel --link echo ::: A B C D E ::: F G A F B G C F D G E F parallel echo :::: abc-file :::+ G H I :::: def-file A G D A G E A G F B H D B H E B H F C I D C I E C I F parallel echo :::: abc-file ::: G H I ::::+ def-file A G D A H E A I F B G D B H E B I F C G D C H E C I F parallel echo ::: A B C D E :::+ F G A F B G parallel --arg-sep ,, echo ,, A B C :::: def-file A D A E A F B D B E B F C D C E C F parallel --arg-file-sep // echo ::: A B C // def-file A D A E A F B D B E B F C D C E C F parallel -d _ echo :::: abc_-file A B C parallel -d '\0' echo :::: abc0-file A B C parallel -E stop echo ::: A B stop C D A B (echo 1; echo; echo 2) | parallel --no-run-if-empty echo 9 parallel ::: ls 'echo foo' pwd abc0-file abc_-file abc-file def-file fixedlen num1000000 num128 num30000 num8 tsv-file.tsv foo ~/privat/parallel/testsuite/tmp my_func() { echo in my_func $1 } export -f my_func parallel my_func ::: 1 2 3 in my_func 1 in my_func 2 in my_func 3 parallel echo ::: A/B.C A/B.C parallel echo {} ::: A/B.C A/B.C parallel echo {.} ::: A/B.C A/B parallel echo {/} ::: A/B.C B.C parallel echo {//} ::: A/B.C A parallel echo {/.} ::: A/B.C B parallel echo {#} ::: A B C 9 parallel -j 2 echo {%} ::: A B C 9 parallel -I ,, echo ,, ::: A/B.C A/B.C parallel --extensionreplace ,, echo ,, ::: A/B.C A/B parallel --basenamereplace ,, echo ,, ::: A/B.C B.C parallel --dirnamereplace ,, echo ,, ::: A/B.C A parallel --basenameextensionreplace ,, echo ,, ::: A/B.C B parallel --seqreplace ,, echo ,, ::: A B C 9 parallel -j2 --slotreplace ,, echo ,, ::: A B C 9 parallel echo '{= s:\.[^.]+$::;s:\.[^.]+$::; =}' ::: foo.tar.gz foo parallel echo Job {#} of {= '$_=total_jobs()' =} ::: {1..5} Job 1 of 5 Job 2 of 5 Job 3 of 5 Job 4 of 5 Job 5 of 5 parallel echo {} shell quoted is {= '$_=Q($_)' =} ::: '*/!#$' */!#$ shell quoted is '*/!#$' parallel echo {= 'if($_==3) { skip() }' =} ::: {1..5} 9 parallel echo {= 'if($arg[1]==$arg[2]) { skip() }' =} \ ::: {1..3} ::: {1..3} 1 2 1 3 2 1 2 3 3 1 3 2 parallel --parens ,,,, echo ',, s:\.[^.]+$::;s:\.[^.]+$::; ,,' \ ::: foo.tar.gz foo parallel --rpl '.. s:\.[^.]+$::;s:\.[^.]+$::;' echo '..' \ ::: foo.tar.gz foo parallel --rpl '{..} s:\.[^.]+$::;s:\.[^.]+$::;' echo '{..}' ::: foo.tar.gz /bin/bash: line 1: :::: command not found parallel --rpl '{%(.+?)} s/$$1$//;' echo {%.tar.gz}.zip ::: foo.tar.gz foo.zip parallel --rpl '{/(.+?)/(.*?)} s/$$1/$$2/;' echo {/tar.gz/zip} \ ::: foo.tar.gz foo.zip --rpl '{} ' --rpl '{#} $_=$job->seq()' --rpl '{%} $_=$job->slot()' --rpl '{/} s:.*/::' --rpl '{//} $Global::use{"File::Basename"} ||= eval "use File::Basename; 1;"; $_ = dirname($_);' --rpl '{/.} s:.*/::; s:\.[^/.]+$::;' --rpl '{.} s:\.[^/.]+$::' /bin/bash: --rpl: command not found /bin/bash: line 1: --rpl: command not found /bin/bash: line 2: --rpl: command not found /bin/bash: line 3: --rpl: command not found /bin/bash: line 5: --rpl: command not found /bin/bash: line 6: --rpl: command not found /bin/bash: line 7: --rpl: command not found parallel echo {1} and {2} ::: A B ::: C D A and C A and D B and C B and D parallel echo /={1/} //={1//} /.={1/.} .={1.} ::: A/B.C D/E.F /=B.C //=A /.=B .=A/B /=E.F //=D /.=E .=D/E parallel echo 1={1} 2={2} 3={3} -1={-1} -2={-2} -3={-3} \ ::: A B ::: C D ::: E F 1=A 2=C 3=E -1=E -2=C -3=A 1=A 2=C 3=F -1=F -2=C -3=A 1=A 2=D 3=E -1=E -2=D -3=A 1=A 2=D 3=F -1=F -2=D -3=A 1=B 2=C 3=E -1=E -2=C -3=B 1=B 2=C 3=F -1=F -2=C -3=B 1=B 2=D 3=E -1=E -2=D -3=B 1=B 2=D 3=F -1=F -2=D -3=B parallel echo '{=2 s:\.[^.]+$::;s:\.[^.]+$::; =} {1}' \ ::: bar ::: foo.tar.gz foo bar parallel --rpl '{..} s:\.[^.]+$::;s:\.[^.]+$::;' echo '{2..} {1}' \ ::: bar ::: foo.tar.gz foo bar parallel --colsep '\t' echo 1={1} 2={2} :::: tsv-file.tsv 1=f1 2=f2 1=A 2=B 1=C 2=D parallel --header : echo f1={f1} f2={f2} ::: f1 A B ::: f2 C D f1=A f2=C f1=A f2=D f1=B f2=C f1=B f2=D parallel --header : --colsep '\t' echo f1={f1} f2={f2} \ :::: tsv-file.tsv f1=A f2=B f1=C f2=D parallel --plus echo {} ::: dir/sub/file.ex1.ex2.ex3 parallel --plus echo {+/}/{/} ::: dir/sub/file.ex1.ex2.ex3 parallel --plus echo {.}.{+.} ::: dir/sub/file.ex1.ex2.ex3 parallel --plus echo {+/}/{/.}.{+.} ::: dir/sub/file.ex1.ex2.ex3 parallel --plus echo {..}.{+..} ::: dir/sub/file.ex1.ex2.ex3 parallel --plus echo {+/}/{/..}.{+..} ::: dir/sub/file.ex1.ex2.ex3 parallel --plus echo {...}.{+...} ::: dir/sub/file.ex1.ex2.ex3 parallel --plus echo {+/}/{/...}.{+...} ::: dir/sub/file.ex1.ex2.ex3 dir/sub/file.ex1.ex2.ex3 parallel --plus echo Job {#} of {##} ::: {1..5} Job 1 of 5 Job 2 of 5 Job 3 of 5 Job 4 of 5 Job 5 of 5 unset myvar echo ${myvar:-myval} parallel --plus echo {:-myval} ::: "$myvar" myval myvar=abcAaAdef echo ${myvar:2} parallel --plus echo {:2} ::: "$myvar" cAaAdef echo ${myvar:2:3} parallel --plus echo {:2:3} ::: "$myvar" echo ${myvar#bc} parallel --plus echo {#bc} ::: "$myvar" echo ${myvar#abc} parallel --plus echo {#abc} ::: "$myvar" echo ${myvar%de} parallel --plus echo {%de} ::: "$myvar" echo ${myvar%def} parallel --plus echo {%def} ::: "$myvar" echo ${myvar/def/ghi} parallel --plus echo {/def/ghi} ::: "$myvar" echo ${myvar^a} parallel --plus echo {^a} ::: "$myvar" echo ${myvar^^a} parallel --plus echo {^^a} ::: "$myvar" myvar=AbcAaAdef echo ${myvar,A} parallel --plus echo '{,A}' ::: "$myvar" echo ${myvar,,A} parallel --plus echo '{,,A}' ::: "$myvar" abcAaAdef abcaaadef cat num30000 | parallel --xargs echo | wc -l 9 cat num30000 | parallel --xargs -s 10000 echo | wc -l 99 cat num30000 | parallel --jobs 4 -m echo | wc -l 9 parallel --jobs 4 -m echo ::: 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 99 parallel --jobs 4 -X echo pre-{}-post ::: A B C D E F G pre-A-post pre-B-post pre-C-post pre-D-post pre-E-post pre-F-post pre-G-post parallel -N3 echo ::: A B C D E F G H A B C D E F G H parallel -N3 echo 1={1} 2={2} 3={3} ::: A B C D E F G H 1=A 2=B 3=C 1=D 2=E 3=F 1=G 2=H 3= parallel -N0 echo foo ::: 1 2 3 foo perl -e 'print "@ARGV\n"' A A parallel perl -e 'print "@ARGV\n"' ::: This wont work Warning: Input is read from the terminal. You either know what you Warning: are doing (in which case: YOU ARE AWESOME!) or you forgot Warning: ::: or :::: or to pipe data into parallel. If so Warning: Press CTRL-D to exit. perl -e 'print "@ARGV\n"' [CTRL-D] /bin/bash: line 1: Warning:: command not found /bin/bash: -c: line 2: syntax error near unexpected token `(' /bin/bash: -c: line 2: ` Warning: are doing (in which case: YOU ARE AWESOME!) or you forgot' parallel --trim r echo pre-{}-post ::: ' A ' pre- A-post parallel --trim l echo pre-{}-post ::: ' A ' pre-A -post parallel --trim lr echo pre-{}-post ::: ' A ' pre-A-post parallel echo \={} ::: zsh bash ls =zsh =bash =ls parallel 'set a="{}"; if( { test -d "$a" } ) echo "$a is a dir"' ::: * /bin/bash: -c: line 0: syntax error near unexpected token `)' /bin/bash: -c: line 0: `set a="abc0-file"; if( { test -d "$a" } ) echo "$a is a dir"' /bin/bash: -c: line 0: syntax error near unexpected token `)' /bin/bash: -c: line 0: `set a="abc_-file"; if( { test -d "$a" } ) echo "$a is a dir"' /bin/bash: -c: line 0: syntax error near unexpected token `)' /bin/bash: -c: line 0: `set a="abc-file"; if( { test -d "$a" } ) echo "$a is a dir"' /bin/bash: -c: line 0: syntax error near unexpected token `)' /bin/bash: -c: line 0: `set a="def-file"; if( { test -d "$a" } ) echo "$a is a dir"' /bin/bash: -c: line 0: syntax error near unexpected token `)' /bin/bash: -c: line 0: `set a="fixedlen"; if( { test -d "$a" } ) echo "$a is a dir"' /bin/bash: -c: line 0: syntax error near unexpected token `)' /bin/bash: -c: line 0: `set a="num1000000"; if( { test -d "$a" } ) echo "$a is a dir"' /bin/bash: -c: line 0: syntax error near unexpected token `)' /bin/bash: -c: line 0: `set a="num128"; if( { test -d "$a" } ) echo "$a is a dir"' /bin/bash: -c: line 0: syntax error near unexpected token `)' /bin/bash: -c: line 0: `set a="num30000"; if( { test -d "$a" } ) echo "$a is a dir"' /bin/bash: -c: line 0: syntax error near unexpected token `)' /bin/bash: -c: line 0: `set a="num8"; if( { test -d "$a" } ) echo "$a is a dir"' /bin/bash: -c: line 0: syntax error near unexpected token `)' /bin/bash: -c: line 0: `set a="tsv-file.tsv"; if( { test -d "$a" } ) echo "$a is a dir"' parallel --tag echo foo-{} ::: A B C A foo-A B foo-B C foo-C parallel --tagstring {}-bar echo foo-{} ::: A B C A-bar foo-A B-bar foo-B C-bar foo-C parallel --dryrun echo {} ::: A B C echo A echo B echo C parallel --verbose echo {} ::: A B C A B C echo A echo B echo C parallel -j2 'printf "%s-start\n%s" {} {}; sleep {};printf "%s\n" -middle;echo {}-end' ::: 4 2 1 4-start 2-start 2-middle 2-end 1-start 1-middle 1-end parallel -j2 --ungroup 'printf "%s-start\n%s" {} {}; sleep {};printf "%s\n" -middle;echo {}-end' ::: 4 2 1 4-start 42-start 2-middle 2-end 1-start 1-middle 1-end -middle parallel -j2 --linebuffer 'printf "%s-start\n%s" {} {}; sleep {};printf "%s\n" -middle;echo {}-end' ::: 4 2 1 4-start 2-start 2-middle 2-end 1-start 1-middle 1-end parallel -j2 -k 'printf "%s-start\n%s" {} {}; sleep {};printf "%s\n" -middle;echo {}-end' ::: 4 2 1 4-start 2-start 2-middle 2-end 1-start 1-middle 1-end parallel --files echo ::: A B C /tmp/parallel-tutorial-tmpdir/parXXXXX.par parallel --tmpdir /var/tmp --files echo ::: A B C /var/tmp/parXXXXX.par parallel --results outdir echo ::: A B C A B C outdir/1/A/seq outdir/1/A/stderr outdir/1/A/stdout outdir/1/B/seq outdir/1/B/stderr outdir/1/B/stdout outdir/1/C/seq outdir/1/C/stderr outdir/1/C/stdout /bin/bash: outdir/1/A/seq: No such file or directory /bin/bash: line 1: outdir/1/A/stderr: No such file or directory /bin/bash: line 2: outdir/1/A/stdout: No such file or directory /bin/bash: line 3: outdir/1/B/seq: No such file or directory /bin/bash: line 4: outdir/1/B/stderr: No such file or directory /bin/bash: line 5: outdir/1/B/stdout: No such file or directory /bin/bash: line 6: outdir/1/C/seq: No such file or directory /bin/bash: line 7: outdir/1/C/stderr: No such file or directory /bin/bash: line 8: outdir/1/C/stdout: No such file or directory parallel --header : --results outdir echo ::: f1 A B ::: f2 C D A C A D B C B D outdir/f1/A/f2/C/seq outdir/f1/A/f2/C/stderr outdir/f1/A/f2/C/stdout outdir/f1/A/f2/D/seq outdir/f1/A/f2/D/stderr outdir/f1/A/f2/D/stdout outdir/f1/B/f2/C/seq outdir/f1/B/f2/C/stderr outdir/f1/B/f2/C/stdout outdir/f1/B/f2/D/seq outdir/f1/B/f2/D/stderr outdir/f1/B/f2/D/stdout /bin/bash: outdir/f1/A/f2/C/seq: No such file or directory /bin/bash: line 1: outdir/f1/A/f2/C/stderr: No such file or directory /bin/bash: line 2: outdir/f1/A/f2/C/stdout: No such file or directory /bin/bash: line 3: outdir/f1/A/f2/D/seq: No such file or directory /bin/bash: line 4: outdir/f1/A/f2/D/stderr: No such file or directory /bin/bash: line 5: outdir/f1/A/f2/D/stdout: No such file or directory /bin/bash: line 6: outdir/f1/B/f2/C/seq: No such file or directory /bin/bash: line 7: outdir/f1/B/f2/C/stderr: No such file or directory /bin/bash: line 8: outdir/f1/B/f2/C/stdout: No such file or directory /bin/bash: line 9: outdir/f1/B/f2/D/seq: No such file or directory /bin/bash: line 10: outdir/f1/B/f2/D/stderr: No such file or directory /bin/bash: line 11: outdir/f1/B/f2/D/stdout: No such file or directory /usr/bin/time -f %e parallel -N0 -j64 sleep 1 :::: num128 9 /usr/bin/time -f %e parallel -N0 sleep 1 :::: num128 99 /usr/bin/time -f %e parallel -N0 --jobs 200% sleep 1 :::: num128 9 /usr/bin/time -f %e parallel -N0 --jobs 0 sleep 1 :::: num128 9 echo 50% > my_jobs /usr/bin/time -f %e parallel -N0 --jobs my_jobs sleep 1 :::: num128 & sleep 1 echo 0 > my_jobs wait 9 parallel --use-cpus-instead-of-cores -N0 sleep 1 :::: num8 parallel --shuf echo ::: 1 2 3 ::: a b c ::: A B C 123 abc ABC seq 10 20 | parallel --tmux 'echo start {}; sleep {}; echo done {}' See output with: tmux -S /tmp/parallel-tutorial-tmpdir/tmsXXXXX attach tmux -S /tmp/tmsXXXXX attach no sessions parallel --delay 2.5 echo Starting {}\;date ::: 1 2 3 Starting 1 DATE OUTPUT Starting 2 DATE OUTPUT Starting 3 DATE OUTPUT parallel --timeout 4.1 sleep {}\; echo {} ::: 2 4 6 8 9 parallel: Warning: This job was killed because it timed out: parallel: Warning: sleep 6; echo 6 parallel: Warning: This job was killed because it timed out: parallel: Warning: sleep 8; echo 8 parallel --timeout 200% sleep {}\; echo {} ::: 2.1 2.2 3 7 2.3 9 parallel: Warning: This job was killed because it timed out: parallel: Warning: sleep 7; echo 7 parallel --eta sleep ::: 1 3 2 2 1 3 3 2 1 Computers / CPU cores / Max jobs to run 1:local / 8 / 8 Computer:jobs running/jobs completed/%of started jobs/Average seconds to complete parallel --progress sleep ::: 1 3 2 2 1 3 3 2 1 Computers / CPU cores / Max jobs to run 1:local / 8 / 8 Computer:jobs running/jobs completed/%of started jobs/Average seconds to complete seq 1000 | parallel -j10 --bar '(echo -n {};sleep 0.1)' \ 2> >(zenity --timeout=15 --progress --auto-kill --auto-close) parallel --joblog /tmp/log exit ::: 1 2 3 0 cat /tmp/log; parallel --joblog /tmp/log exit ::: 1 2 3 0 cat /tmp/log; parallel --resume --joblog /tmp/log exit ::: 1 2 3 0 0 0 cat /tmp/log; parallel --resume-failed --joblog /tmp/log exit ::: 1 2 3 0 0 0 cat /tmp/log; parallel --retry-failed --joblog /tmp/log cat /tmp/log; parallel -j2 --halt soon,fail=1 echo {}\; exit {} ::: 0 0 1 2 3 Seq Host Starttime JobRuntime Send Receive Exitval Signal Command 1 : TIMESTAMP 9.999 0 0 1 0 exit 1 2 : TIMESTAMP 9.999 0 0 2 0 exit 2 3 : TIMESTAMP 9.999 0 0 3 0 exit 3 4 : TIMESTAMP 9.999 0 0 0 0 exit 0 Seq Host Starttime JobRuntime Send Receive Exitval Signal Command 1 : TIMESTAMP 9.999 0 0 1 0 exit 1 2 : TIMESTAMP 9.999 0 0 2 0 exit 2 3 : TIMESTAMP 9.999 0 0 3 0 exit 3 4 : TIMESTAMP 9.999 0 0 0 0 exit 0 Seq Host Starttime JobRuntime Send Receive Exitval Signal Command 1 : TIMESTAMP 9.999 0 0 1 0 exit 1 2 : TIMESTAMP 9.999 0 0 2 0 exit 2 3 : TIMESTAMP 9.999 0 0 3 0 exit 3 4 : TIMESTAMP 9.999 0 0 0 0 exit 0 5 : TIMESTAMP 9.999 0 0 0 0 exit 0 6 : TIMESTAMP 9.999 0 0 0 0 exit 0 Seq Host Starttime JobRuntime Send Receive Exitval Signal Command 1 : TIMESTAMP 9.999 0 0 1 0 exit 1 2 : TIMESTAMP 9.999 0 0 2 0 exit 2 3 : TIMESTAMP 9.999 0 0 3 0 exit 3 4 : TIMESTAMP 9.999 0 0 0 0 exit 0 5 : TIMESTAMP 9.999 0 0 0 0 exit 0 6 : TIMESTAMP 9.999 0 0 0 0 exit 0 1 : TIMESTAMP 9.999 0 0 1 0 exit 1 2 : TIMESTAMP 9.999 0 0 2 0 exit 2 3 : TIMESTAMP 9.999 0 0 3 0 exit 3 Seq Host Starttime JobRuntime Send Receive Exitval Signal Command 1 : TIMESTAMP 9.999 0 0 1 0 exit 1 2 : TIMESTAMP 9.999 0 0 2 0 exit 2 3 : TIMESTAMP 9.999 0 0 3 0 exit 3 4 : TIMESTAMP 9.999 0 0 0 0 exit 0 5 : TIMESTAMP 9.999 0 0 0 0 exit 0 6 : TIMESTAMP 9.999 0 0 0 0 exit 0 1 : TIMESTAMP 9.999 0 0 1 0 exit 1 2 : TIMESTAMP 9.999 0 0 2 0 exit 2 3 : TIMESTAMP 9.999 0 0 3 0 exit 3 1 : TIMESTAMP 9.999 0 0 1 0 exit 1 2 : TIMESTAMP 9.999 0 0 2 0 exit 2 3 : TIMESTAMP 9.999 0 0 3 0 exit 3 9 parallel: This job failed: echo X; exit X parallel: Starting no more jobs. Waiting for 1 jobs to finish. parallel: This job failed: echo X; exit X parallel -j2 --halt now,fail=1 echo {}\; exit {} ::: 0 0 1 2 3 9 parallel: This job failed: echo X; exit X parallel -j2 --halt soon,fail=20% echo {}\; exit {} \ ::: 0 1 2 3 4 5 6 7 8 9 9 parallel: This job failed: echo X; exit X parallel: This job failed: echo X; exit X parallel: Starting no more jobs. Waiting for 1 jobs to finish. parallel: This job failed: echo X; exit X parallel -j2 --halt now,success=1 echo {}\; exit {} ::: 1 2 3 0 4 5 6 9 parallel: This job succeeded: echo X; exit X parallel -k --retries 3 \ 'echo tried {} >>/tmp/runs; echo completed {}; exit {}' ::: 1 2 0 cat /tmp/runs completed 1 completed 2 completed 0 tried 0 show_signals() { perl -e 'for(keys %SIG) { $SIG{$_} = eval "sub { print \"Got $_\\n\"; }"; } while(1){sleep 1}' } export -f show_signals echo | parallel --termseq TERM,200,TERM,100,TERM,50,KILL,25 \ -u --timeout 1 show_signals parallel: Warning: This job was killed because it timed out: parallel: Warning: show_signals '' echo | parallel --termseq INT,200,TERM,100,KILL,25 \ -u --timeout 1 show_signals /bin/bash: show_signals: command not found parallel --load 100% echo load is less than {} job per cpu ::: 1 load is less than 1 job per cpu parallel --noswap echo the system is not swapping ::: now the system is not swapping now parallel --memfree 1G echo will run if more than 1 GB is ::: free will run if more than 1 GB is free parallel --nice 17 echo this is being run with nice -n ::: 17 this is being run with nice -n 17 parallel -S $SERVER1 echo running on ::: $SERVER1 running on parallel@lo parallel -S $SERVER1 echo running on ::: username@$SERVER1 running on username@parallel@lo parallel -S : echo running on ::: the_local_machine running on the_local_machine parallel -S '/usr/bin/ssh '$SERVER1 echo custom ::: ssh custom ssh parallel --ssh /usr/bin/ssh -S $SERVER1 echo custom ::: ssh custom ssh export PARALLEL_SSH=/usr/bin/ssh parallel -S $SERVER1 echo custom ::: ssh custom ssh parallel -S $SERVER1 -S $SERVER2 echo ::: running on more hosts running on more hosts echo $SERVER1 > nodefile # Force 4 cores, special ssh-command, username echo 4//usr/bin/ssh $SERVER2 >> nodefile parallel --sshloginfile nodefile echo ::: running on more hosts running on more hosts parallel -S 4/$SERVER1 echo force {} cpus on server ::: 4 force 4 cpus on server parallel --hostgroup -S @grp1/$SERVER1 -S @grp2/$SERVER2 echo {} \ ::: run_on_grp1@grp1 run_on_grp2@grp2 run_on_grp1 run_on_grp2 echo This is input_file > input_file parallel -S $SERVER1 --transferfile {} cat ::: input_file This is input_file echo This is input_file > input_file parallel -S $SERVER1 --transferfile {} --return {}.out \ cat {} ">"{}.out ::: input_file cat input_file.out This is input_file echo This is input_file > input_file parallel -S $SERVER1 --transferfile {} --return {}.out --cleanup \ cat {} ">"{}.out ::: input_file cat input_file.out This is input_file echo This is input_file > input_file parallel -S $SERVER1 --trc {}.out cat {} ">"{}.out ::: input_file cat input_file.out This is input_file echo common data > common_file parallel --basefile common_file -S $SERVER1 \ cat common_file\; echo {} ::: foo common data foo parallel -S $SERVER1 pwd ::: "" parallel --workdir . -S $SERVER1 pwd ::: "" parallel --workdir ... -S $SERVER1 pwd ::: "" /mnt/4tb/home/parallel BASE64/mnt/4tb/home/parallel/.TMPWORKDIR parallel -S $SERVER1 --sshdelay 0.2 echo ::: 1 2 3 9 parallel --controlmaster -S $SERVER1 echo ::: 1 2 3 9 parallel --filter-hosts -S 173.194.32.46,$SERVER1 echo ::: bar bar parallel: Warning: Removed 173.194.32.46. parallel --onall -S $SERVER1,$SERVER2 echo ::: foo bar foo bar foo bar parallel --nonall --tag -S $SERVER1,$SERVER2 echo foo bar csh@lo foo bar parallel@lo foo bar source `which env_parallel.bash` alias myecho=echo myvar="Joe's var is" env_parallel -S $SERVER1 'myecho $myvar' ::: green Unknown option: -S Unknown option: parallel@lo Unknown option: myecho $myvar Unknown option: ::: Unknown option: green env_parallel only works if it is a function. Do the below and restart your shell. bash: Put this in $HOME/.bashrc: . `which env_parallel.bash` E.g. by doing: echo '. `which env_parallel.bash`' >> $HOME/.bashrc Supports: aliases, functions, variables, arrays zsh: Put this in $HOME/.zshrc: . `which env_parallel.zsh` E.g. by doing: echo '. `which env_parallel.zsh`' >> $HOME/.zshenv Supports: functions, variables, arrays fish: Put this in $HOME/.config/fish/config.fish: . (which env_parallel.fish) E.g. by doing: echo '. (which env_parallel.fish)' >> $HOME/.config/fish/config.fish Supports: aliases, functions, variables, arrays ksh: Put this in $HOME/.kshrc: source `which env_parallel.ksh` E.g. by doing: echo 'source `which env_parallel.ksh`' >> $HOME/.kshrc Supports: aliases, functions, variables, arrays mksh: Put this in $HOME/.mkshrc: source `which env_parallel.mksh` E.g. by doing: echo 'source `which env_parallel.mksh`' >> $HOME/.mkshrc Supports: aliases, functions, variables, arrays pdksh: Put this in $HOME/.profile: source `which env_parallel.pdksh` E.g. by doing: echo '. `which env_parallel.pdksh`' >> $HOME/.profile Supports: aliases, functions, variables, arrays ash: Put this in $HOME/.profile: . `which env_parallel.ash` E.g. by doing: echo '. `which env_parallel.ash`' >> $HOME/.profile Supports: aliases, variables dash: Put this in $HOME/.profile: . `which env_parallel.dash` E.g. by doing: echo '. `which env_parallel.dash`' >> $HOME/.profile Supports: aliases, variables csh: Put this in $HOME/.cshrc: source `which env_parallel.csh` E.g. by doing: echo 'source `which env_parallel.csh`' >> $HOME/.cshrc Supports: aliases, variables, arrays with no special chars tcsh: Put this in $HOME/.tcshrc: source `which env_parallel.tcsh` E.g. by doing: echo 'source `which env_parallel.tcsh`' >> $HOME/.tcshrc Supports: aliases, variables, arrays with no special chars To install in all shells run: env_parallel --install For details: see man env_parallel MYVAR='foo bar' export MYVAR parallel --env MYVAR -S $SERVER1 echo '$MYVAR' ::: baz foo bar baz my_func() { echo in my_func $1 } export -f my_func parallel --env my_func -S $SERVER1 my_func ::: baz in my_func baz parallel --record-env cat ~/.parallel/ignored_vars|sort _ BASH_FUNC_run_once%% BASH_FUNC_run_test%% COLORFGBG COLORTERM DBUS_SESSION_BUS_ADDRESS DEBEMAIL DEBFULLNAME DEFAULTS_PATH DESKTOP_SESSION DISPLAY GOPATH GPG_AGENT_INFO GS_LIB HISTCONTROL HOME JAVA_HOME JDK_HOME KDE_FULL_SESSION KDE_SESSION_UID KDE_SESSION_VERSION KONSOLE_DBUS_SERVICE KONSOLE_DBUS_SESSION KONSOLE_DBUS_WINDOW KONSOLE_PROFILE_NAME LANG LANGUAGE LC_ALL LC_TIME LESS LESSCLOSE LESSOPEN LOGNAME LS_COLORS MAKEFLAGS MAKELEVEL MAKE_TERMERR MAKE_TERMOUT MANDATORY_PATH MFLAGS OLDPWD ORACLE_HOME ORACLE_SID PARALLEL PARALLEL_HOME PARALLEL_PID PARALLEL_RSYNC_OPTS PARALLEL_SEQ PARALLEL_SSHLOGIN PARALLEL_TMP PATH PERL_MB_OPT PERL_MM_OPT PROFILEHOME PWD QT_ACCESSIBILITY QT_AUTO_SCREEN_SCALE_FACTOR S_COLORS SERVER1 SERVER2 SESSION_MANAGER SHELL SHELL_SESSION_ID SHLVL SSH_AGENT_PID SSH_AUTH_SOCK TERM TIMEOUT TMPDIR TRIES USER VISUAL WINDOWID XAUTHORITY XCURSOR_SIZE XCURSOR_THEME XDG_CONFIG_DIRS XDG_CURRENT_DESKTOP XDG_DATA_DIRS XDG_RUNTIME_DIR XDG_SEAT XDG_SEAT_PATH XDG_SESSION_CLASS XDG_SESSION_DESKTOP XDG_SESSION_ID XDG_SESSION_PATH XDG_SESSION_TYPE XDG_VTNR # The function is only copied if using Bash my_func2() { echo in my_func2 $VAR $1 } export -f my_func2 VAR=foo export VAR parallel --env _ -S $SERVER1 'echo $VAR; my_func2' ::: bar /bin/bash: my_func2: command not found NOT='not exported var' alias myecho=echo not_ex() { myecho in not_exported_func $NOT $1 } env_parallel --env _ -S $SERVER1 'echo $NOT; not_ex' ::: bar Unknown option: --env Unknown option: _ Unknown option: -S Unknown option: parallel@lo Unknown option: echo $NOT; not_ex Unknown option: ::: Unknown option: bar env_parallel only works if it is a function. Do the below and restart your shell. bash: Put this in $HOME/.bashrc: . `which env_parallel.bash` E.g. by doing: echo '. `which env_parallel.bash`' >> $HOME/.bashrc Supports: aliases, functions, variables, arrays zsh: Put this in $HOME/.zshrc: . `which env_parallel.zsh` E.g. by doing: echo '. `which env_parallel.zsh`' >> $HOME/.zshenv Supports: functions, variables, arrays fish: Put this in $HOME/.config/fish/config.fish: . (which env_parallel.fish) E.g. by doing: echo '. (which env_parallel.fish)' >> $HOME/.config/fish/config.fish Supports: aliases, functions, variables, arrays ksh: Put this in $HOME/.kshrc: source `which env_parallel.ksh` E.g. by doing: echo 'source `which env_parallel.ksh`' >> $HOME/.kshrc Supports: aliases, functions, variables, arrays mksh: Put this in $HOME/.mkshrc: source `which env_parallel.mksh` E.g. by doing: echo 'source `which env_parallel.mksh`' >> $HOME/.mkshrc Supports: aliases, functions, variables, arrays pdksh: Put this in $HOME/.profile: source `which env_parallel.pdksh` E.g. by doing: echo '. `which env_parallel.pdksh`' >> $HOME/.profile Supports: aliases, functions, variables, arrays ash: Put this in $HOME/.profile: . `which env_parallel.ash` E.g. by doing: echo '. `which env_parallel.ash`' >> $HOME/.profile Supports: aliases, variables dash: Put this in $HOME/.profile: . `which env_parallel.dash` E.g. by doing: echo '. `which env_parallel.dash`' >> $HOME/.profile Supports: aliases, variables csh: Put this in $HOME/.cshrc: source `which env_parallel.csh` E.g. by doing: echo 'source `which env_parallel.csh`' >> $HOME/.cshrc Supports: aliases, variables, arrays with no special chars tcsh: Put this in $HOME/.tcshrc: source `which env_parallel.tcsh` E.g. by doing: echo 'source `which env_parallel.tcsh`' >> $HOME/.tcshrc Supports: aliases, variables, arrays with no special chars To install in all shells run: env_parallel --install For details: see man env_parallel parallel -vv --pipepart --block 1M wc :::: num30000 131072?131072:$left)){$left-=$read;syswrite(STDOUT,$buf);}}' 0 0 0 168894 |(wc) 30000 30000 168894 my_func3() { echo in my_func $1 > $1.out } export -f my_func3 parallel -vv --workdir ... --nice 17 --env _ --trc {}.out \ -S $SERVER1 my_func3 {} ::: abc-file ssh -l parallel lo -- mkdir -p ./.TMPWORKDIR && rsync --protocol 30 -rlDzR -e'ssh -l parallel' ./abc-file lo:./.TMPWORKDIR;ssh -l parallel lo -- exec perl -e "'"'@GNU_Parallel=split/_/,"use_IPC::Open3;_use_MIME::Base64";eval"@GNU_Parallel";$chld=$SIG{CHLD};$SIG{CHLD}="IGNORE";my$zip=(grep{-x$_}"/usr/local/bin/bzip2")[0]||"bzip2";open3($in,$out,">&STDERR",$zip,"-dc");if(my$perlpid=fork){close$in;$eval=join"",<$out>;close$out;}else{close$out;print$in(decode_base64(join"",@ARGV));close$in;exit;}wait;$SIG{CHLD}=$chld;eval$eval;'"'" BASE64;_EXIT_status=$?; mkdir -p ./. && rsync --protocol 30 --rsync-path='cd ./.TMPWORKDIR/./.; rsync' -rlDzR -e'ssh -l parallel' lo:./abc-file.out ./.;ssh -l parallel lo -- 'rm -f ./.TMPWORKDIR/abc-file; sh -c '"'"'rmdir ./.TMPWORKDIR/ ./.parallel/tmp/ ./.parallel/ 2>/dev/null;'"'"''"'"'rm -rf ./.TMPWORKDIR;'"'";ssh -l parallel lo -- 'rm -f ./.TMPWORKDIR/abc-file.out; sh -c '"'"'rmdir ./.TMPWORKDIR/ ./.parallel/tmp/ ./.parallel/ 2>/dev/null;'"'"''"'"'rm -rf ./.TMPWORKDIR;'"'";ssh -l parallel lo -- rm -rf .TMPWORKDIR;exit $_EXIT_status; parset myvar1,myvar2 echo ::: a b echo $myvar1 echo $myvar2 Unknown option: myvar1,myvar2 Unknown option: echo Unknown option: ::: Unknown option: a Unknown option: b parset only works if it is a function. The function is defined as part of env_parallel. Do the below and restart your shell. bash: Put this in $HOME/.bashrc: . `which env_parallel.bash` E.g. by doing: echo '. `which env_parallel.bash`' >> $HOME/.bashrc Supports: aliases, functions, variables, arrays zsh: Put this in $HOME/.zshrc: . `which env_parallel.zsh` E.g. by doing: echo '. `which env_parallel.zsh`' >> $HOME/.zshenv Supports: functions, variables, arrays fish: Unsupported ksh: Put this in $HOME/.kshrc: source `which env_parallel.ksh` E.g. by doing: echo 'source `which env_parallel.ksh`' >> $HOME/.kshrc Supports: aliases, functions, variables, arrays mksh: Put this in $HOME/.mkshrc: source `which env_parallel.mksh` E.g. by doing: echo 'source `which env_parallel.mksh`' >> $HOME/.mkshrc Supports: aliases, functions, variables, arrays pdksh: Put this in $HOME/.profile: source `which env_parallel.pdksh` E.g. by doing: echo '. `which env_parallel.pdksh`' >> $HOME/.profile Supports: aliases, functions, variables, arrays ash: Put this in $HOME/.profile: . `which env_parallel.ash` E.g. by doing: echo '. `which env_parallel.ash`' >> $HOME/.profile Supports: aliases, variables dash: Put this in $HOME/.profile: . `which env_parallel.dash` E.g. by doing: echo '. `which env_parallel.dash`' >> $HOME/.profile Supports: aliases, variables csh: Unsupported tcsh: Unsupported To install in all shells run: parset --install For details: see man parset parset myarray seq {} 5 ::: 1 2 3 echo "${myarray[1]}" Unknown option: myarray Unknown option: seq Unknown option: {} Unknown option: 5 Unknown option: ::: Unknown option: 1 Unknown option: 2 Unknown option: 3 parset only works if it is a function. The function is defined as part of env_parallel. Do the below and restart your shell. bash: Put this in $HOME/.bashrc: . `which env_parallel.bash` E.g. by doing: echo '. `which env_parallel.bash`' >> $HOME/.bashrc Supports: aliases, functions, variables, arrays zsh: Put this in $HOME/.zshrc: . `which env_parallel.zsh` E.g. by doing: echo '. `which env_parallel.zsh`' >> $HOME/.zshenv Supports: functions, variables, arrays fish: Unsupported ksh: Put this in $HOME/.kshrc: source `which env_parallel.ksh` E.g. by doing: echo 'source `which env_parallel.ksh`' >> $HOME/.kshrc Supports: aliases, functions, variables, arrays mksh: Put this in $HOME/.mkshrc: source `which env_parallel.mksh` E.g. by doing: echo 'source `which env_parallel.mksh`' >> $HOME/.mkshrc Supports: aliases, functions, variables, arrays pdksh: Put this in $HOME/.profile: source `which env_parallel.pdksh` E.g. by doing: echo '. `which env_parallel.pdksh`' >> $HOME/.profile Supports: aliases, functions, variables, arrays ash: Put this in $HOME/.profile: . `which env_parallel.ash` E.g. by doing: echo '. `which env_parallel.ash`' >> $HOME/.profile Supports: aliases, variables dash: Put this in $HOME/.profile: . `which env_parallel.dash` E.g. by doing: echo '. `which env_parallel.dash`' >> $HOME/.profile Supports: aliases, variables csh: Unsupported tcsh: Unsupported To install in all shells run: parset --install For details: see man parset cmd=("echo '<>'" "pwd") parset data ::: "${cmd[@]}" echo "${data[0]}" echo "${data[1]}" Unknown option: data Unknown option: ::: Unknown option: echo '<>' Unknown option: pwd parset only works if it is a function. The function is defined as part of env_parallel. Do the below and restart your shell. bash: Put this in $HOME/.bashrc: . `which env_parallel.bash` E.g. by doing: echo '. `which env_parallel.bash`' >> $HOME/.bashrc Supports: aliases, functions, variables, arrays zsh: Put this in $HOME/.zshrc: . `which env_parallel.zsh` E.g. by doing: echo '. `which env_parallel.zsh`' >> $HOME/.zshenv Supports: functions, variables, arrays fish: Unsupported ksh: Put this in $HOME/.kshrc: source `which env_parallel.ksh` E.g. by doing: echo 'source `which env_parallel.ksh`' >> $HOME/.kshrc Supports: aliases, functions, variables, arrays mksh: Put this in $HOME/.mkshrc: source `which env_parallel.mksh` E.g. by doing: echo 'source `which env_parallel.mksh`' >> $HOME/.mkshrc Supports: aliases, functions, variables, arrays pdksh: Put this in $HOME/.profile: source `which env_parallel.pdksh` E.g. by doing: echo '. `which env_parallel.pdksh`' >> $HOME/.profile Supports: aliases, functions, variables, arrays ash: Put this in $HOME/.profile: . `which env_parallel.ash` E.g. by doing: echo '. `which env_parallel.ash`' >> $HOME/.profile Supports: aliases, variables dash: Put this in $HOME/.profile: . `which env_parallel.dash` E.g. by doing: echo '. `which env_parallel.dash`' >> $HOME/.profile Supports: aliases, variables csh: Unsupported tcsh: Unsupported To install in all shells run: parset --install For details: see man parset parallel --sqlandworker csv:////%2Ftmp%2Flog.csv \ seq ::: 10 ::: 12 13 14 cat /tmp/log.csv 99 Seq,Host,Starttime,JobRuntime,Send,Receive,Exitval,_Signal,Command,V1,V2,Stdout,Stderr 1,:,000000000.000,0.000,0,9,0,0,"seq 10 12",10,12,"10 99 ", 2,:,000000000.000,0.000,0,12,0,0,"seq 10 13",10,13,"10 99 ", 3,:,000000000.000,0.000,0,15,0,0,"seq 10 14",10,14,"10 99 ", parallel --results outdir --sqlandworker csv:////%2Ftmp%2Flog2.csv \ seq ::: 10 ::: 12 13 14 cat /tmp/log2.csv 99 Seq,Host,Starttime,JobRuntime,Send,Receive,Exitval,_Signal,Command,V1,V2,Stdout,Stderr 1,:,000000000.000,0.000,0,9,0,0,"seq 10 12",10,12,outdir/1/10/2/12/stdout,outdir/1/10/2/12/stderr 2,:,000000000.000,0.000,0,12,0,0,"seq 10 13",10,13,outdir/1/10/2/13/stdout,outdir/1/10/2/13/stderr 3,:,000000000.000,0.000,0,15,0,0,"seq 10 14",10,14,outdir/1/10/2/14/stdout,outdir/1/10/2/14/stderr vendor://[[user][:password]@][host][:port]/[database[/table] /bin/bash: vendor://[[user][:password]@][host][:port]/[database[/table]: No such file or directory sqlite3:///%2Ftmp%2Fmydatabase/mytable csv:////%2Ftmp%2Flog.csv /bin/bash: sqlite3:///%2Ftmp%2Fmydatabase/mytable: No such file or directory /bin/bash: line 1: csv:////%2Ftmp%2Flog.csv: No such file or directory DBURL=sqlite3:///%2Ftmp%2Fmydatabase DBURLTABLE=$DBURL/mytable parallel --sqlandworker $DBURLTABLE echo ::: foo bar ::: baz quuz foo baz foo quuz bar baz bar quuz sql $DBURL 'SELECT * FROM mytable ORDER BY Seq;' Error: SELECT * FROM mytable ORDER BY Seq; is not a valid DBURL sql [-hnr] [--table-size] [--db-size] [-p pass-through] [-s string] dburl [command] parallel --sqlmaster $DBURLTABLE echo ::: foo bar ::: baz quuz parallel: Error: echo is not a valid DBURL parallel --sqlworker $DBURLTABLE echo ::: foo bar ::: baz quuz parallel: Error: echo is not a valid DBURL cat num1000000 | parallel --pipe wc 999999 999999 9999999 85352 85352 597465 cat num1000000 | parallel --pipe --block 2M wc 999999 999999 9999999 85349 85349 597444 cat num1000000 | parallel --pipe -j4 --roundrobin wc 999999 999999 9999999 cat num1000000 | parallel --pipe -N140000 wc 140000 140000 868895 140000 140000 980000 20000 20000 140001 cat num1000000 | parallel --pipe -L75 wc 999999 999999 9999999 85500 85500 598500 25 25 176 cat fixedlen | parallel --pipe --header .{4} --block 3 --recend '' \ 'echo start; cat; echo' start HHHHAAA start HHHHBBB start HHHHCCC echo /foo, bar/, /baz, qux/, | \ parallel -kN1 --recend ', ' --pipe echo JOB{#}\;cat\;echo END JOB1 /foo, END JOB2 bar/, END JOB3 /baz, END JOB4 qux/, END echo /foo, bar/, /baz, qux/, | \ parallel -kN1 --recstart / --pipe echo JOB{#}\;cat\;echo END JOB1 /foo, barEND JOB2 /, END JOB3 /baz, quxEND JOB4 /, END echo /foo, bar/, /baz, qux/, | \ parallel -kN1 --recend ', ' --recstart / --pipe \ echo JOB{#}\;cat\;echo END JOB1 /foo, bar/, END JOB2 /baz, qux/, END echo foo,bar,_baz,__qux, | \ parallel -kN1 --regexp --recend ,_+ --pipe \ echo JOB{#}\;cat\;echo END JOB1 foo,bar,_END JOB2 baz,__END JOB3 qux, END echo foo,bar,_baz,__qux, | \ parallel -kN1 --rrs --regexp --recend ,_+ --pipe \ echo JOB{#}\;cat\;echo END JOB1 foo,barEND JOB2 bazEND JOB3 qux, END cat num_%header | \ parallel --header '(%.*\n)*' --pipe -N3 echo JOB{#}\;cat cat: num_%header: No such file or directory cat num_%header | parallel --header 2 --pipe -N3 echo JOB{#}\;cat cat: num_%header: No such file or directory parallel --pipepart -a num1000000 --block 3m wc 999999 999999 9999999 126984 126984 888889 cat input_file | parallel command /bin/bash: This is input_file: command not found #!/bin/bash #!/usr/bin/parallel --shebang -r echo foo bar baz /bin/bash: foo: command not found /bin/bash: line 1: bar: command not found /bin/bash: line 2: baz: command not found cat input_file | parallel command parallel command ::: foo bar /bin/bash: This is input_file: command not found /bin/bash: foo: command not found /bin/bash: bar: command not found cat input_file | command command foo bar /bin/bash: line 1: foo: command not found #!/usr/bin/perl print "@ARGV\n" Error: no such file "@ARGV\n" parallel perl_echo ::: foo bar /bin/bash: perl_echo: command not found #!/usr/bin/parallel --shebang-wrap /usr/bin/perl print "@ARGV\n" Error: no such file "@ARGV\n" perl_echo foo bar /bin/bash: perl_echo: command not found #!/usr/bin/parallel --shebang-wrap /usr/bin/perl print "Arguments @ARGV\n"; Error: no such file "Arguments @ARGV\n" #!/usr/bin/parallel --shebang-wrap /usr/bin/python print 'Arguments', str(sys.argv) /bin/bash: -c: line 3: syntax error near unexpected token `(' /bin/bash: -c: line 3: ` print 'Arguments', str(sys.argv)' #!/usr/bin/parallel --shebang-wrap /bin/bash echo Arguments "$@" Arguments #!/usr/bin/parallel --shebang-wrap /bin/csh echo Arguments "$argv" Arguments #!/usr/bin/parallel --shebang-wrap /usr/bin/tclsh puts "Arguments $argv" /bin/bash: line 2: puts: command not found #!/usr/bin/parallel --shebang-wrap /usr/bin/Rscript --vanilla --slave args <- commandArgs(trailingOnly = TRUE) print(paste("Arguments ",args)) /bin/bash: -c: line 2: syntax error near unexpected token `(' /bin/bash: -c: line 2: ` args <- commandArgs(trailingOnly = TRUE)' #!/usr/bin/parallel --shebang-wrap ARG={} /usr/bin/gnuplot print "Arguments ", system('echo $ARG') /bin/bash: -c: line 2: syntax error near unexpected token `(' /bin/bash: -c: line 2: ` print "Arguments ", system('echo $ARG')' #!/usr/bin/parallel --shebang-wrap /usr/bin/ruby print "Arguments " puts ARGV Error: no such file "Arguments " /bin/bash: line 3: puts: command not found #!/usr/bin/parallel --shebang-wrap /usr/bin/octave printf ("Arguments"); arg_list = argv (); for i = 1:nargin printf (" %s", arg_list{i}); endfor printf ("\n"); /bin/bash: -c: line 2: syntax error near unexpected token `"Arguments"' /bin/bash: -c: line 2: ` printf ("Arguments");' #!/usr/bin/parallel --shebang-wrap /usr/bin/clisp (format t "~&~S~&" 'Arguments) (format t "~&~S~&" *args*) /bin/bash: -c: line 2: unexpected EOF while looking for matching `'' /bin/bash: -c: line 4: syntax error: unexpected end of file #!/usr/bin/parallel --shebang-wrap /usr/bin/php Arguments /bin/bash: line 1: ?php: No such file or directory /bin/bash: -c: line 3: syntax error near unexpected token `array_slice' /bin/bash: -c: line 3: ` foreach(array_slice($argv,1) as $v)' #!/usr/bin/parallel --shebang-wrap /usr/bin/node var myArgs = process.argv.slice(2); console.log('Arguments ', myArgs); /bin/bash: -c: line 0: syntax error near unexpected token `(' /bin/bash: -c: line 0: ` var myArgs = process.argv.slice(2);' #!/usr/bin/parallel --shebang-wrap /usr/bin/lua io.write "Arguments" for a = 1, #arg do io.write(" ") io.write(arg[a]) end print("") /bin/bash: line 2: io.write: command not found /bin/bash: -c: line 3: syntax error near unexpected token `=' /bin/bash: -c: line 3: ` for a = 1, #arg do' #!/usr/bin/parallel --shebang-wrap ARGV={} /usr/bin/csharp var argv = Environment.GetEnvironmentVariable("ARGV"); print("Arguments "+argv); /bin/bash: -c: line 2: syntax error near unexpected token `(' /bin/bash: -c: line 2: ` var argv = Environment.GetEnvironmentVariable("ARGV");' sem 'sleep 1; echo The first finished' && echo The first is now running in the background && sem 'sleep 1; echo The second finished' && echo The second is now running in the background sem --wait The first is now running in the background The first finished The second is now running in the background sem --fg 'sleep 1; echo The first finished' && echo The first finished running in the foreground && sem --fg 'sleep 1; echo The second finished' && echo The second finished running in the foreground sem --wait The first finished The first finished running in the foreground The second finished running in the foreground sem --id my_id -u 'echo First started; sleep 10; echo First done' First started First done sem --id my_id -u 'echo Second started; sleep 10; echo Second done' Second done sem --jobs 3 --id my_id -u 'echo Start 1; sleep 5; echo 1 done' && sem --jobs 3 --id my_id -u 'echo Start 2; sleep 6; echo 2 done' && sem --jobs 3 --id my_id -u 'echo Start 3; sleep 7; echo 3 done' && sem --jobs 3 --id my_id -u 'echo Start 4; sleep 8; echo 4 done' && sem --wait --id my_id Start 1 Start 2 1 done Start 3 2 done Start 4 3 done 4 done sem --id foo -u 'echo Slow started; sleep 5; echo Slow ended' && sem --id foo --semaphoretimeout 1 'echo Forced running after 1 sec' && sem --id foo --semaphoretimeout -2 'echo Give up after 2 secs' sem --id foo --wait Slow started Forced running after 1 sec Slow ended parallel: Warning: Semaphore timed out. Stealing the semaphore. parallel: Warning: Semaphore timed out. Exiting. parallel --help Usage: parallel [options] [command [arguments]] < list_of_arguments parallel [options] [command [arguments]] (::: arguments|:::: argfile(s))... cat ... | parallel --pipe [options] [command [arguments]] -j n Run n jobs in parallel -k Keep same order -X Multiple arguments with context replace --colsep regexp Split input on regexp for positional replacements {} {.} {/} {/.} {#} {%} {= perl code =} Replacement strings {3} {3.} {3/} {3/.} {=3 perl code =} Positional replacement strings With --plus: {} = {+/}/{/} = {.}.{+.} = {+/}/{/.}.{+.} = {..}.{+..} = {+/}/{/..}.{+..} = {...}.{+...} = {+/}/{/...}.{+...} -S sshlogin Example: foo@server.example.com --slf .. Use ~/.parallel/sshloginfile as the list of sshlogins --trc {}.bar Shorthand for --transfer --return {}.bar --cleanup --onall Run the given command with argument on all sshlogins --nonall Run the given command with no arguments on all sshlogins --pipe Split stdin (standard input) to multiple jobs. --recend str Record end separator for --pipe. --recstart str Record start separator for --pipe. See 'man parallel' for details Academic tradition requires you to cite works you base your article on. If you use programs that use GNU Parallel to process data for an article in a scientific publication, please cite: O. Tange (2018): GNU Parallel 2018, Mar 2018, ISBN 9781387509881, DOI https://doi.org/10.5281/zenodo.1146014 This helps funding further development; AND IT WON'T COST YOU A CENT. If you pay 10000 EUR you should feel free to use GNU Parallel without citing. parallel --version GNU parallel VERSION Copyright (C) 2007-2019 Ole Tange and Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. GNU parallel comes with no warranty. Web site: http://www.gnu.org/software/parallel When using programs that use GNU Parallel to process data for publication please cite as described in 'parallel --citation'. parallel --minversion VERSION && \ echo Your version is at least VERSION. VERSION Your version is at least VERSION. parallel --citation Academic tradition requires you to cite works you base your article on. If you use programs that use GNU Parallel to process data for an article in a scientific publication, please cite: @book{tange_ole_2018_1146014, author = {Tange, Ole}, title = {GNU Parallel 2018}, publisher = {Ole Tange}, month = Mar, year = 2018, ISBN = {9781387509881}, doi = {10.5281/zenodo.1146014}, url = {https://doi.org/10.5281/zenodo.1146014} } (Feel free to use \nocite{tange_ole_2018_1146014}) This helps funding further development; AND IT WON'T COST YOU A CENT. If you pay 10000 EUR you should feel free to use GNU Parallel without citing. More about funding GNU Parallel and the citation notice: https://lists.gnu.org/archive/html/parallel/2013-11/msg00006.html https://www.gnu.org/software/parallel/parallel_design.html#Citation-notice https://git.savannah.gnu.org/cgit/parallel.git/tree/doc/citation-notice-faq.txt If you send a copy of your published article to tange@gnu.org, it will be mentioned in the release notes of next version of GNU Parallel. parallel --number-of-cpus parallel --number-of-cores 9 echo '--nice 17' > ~/.parallel/nicetimeout echo '--timeout 300%' >> ~/.parallel/nicetimeout parallel --profile nicetimeout echo ::: A B C A B C echo '-vv --dry-run' > ~/.parallel/dryverbose parallel --profile dryverbose --profile nicetimeout echo ::: A B C echo A echo B echo C 7