### test parallel_tutorial 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; perl -e 'for(1..10){print "$_\n"}') > num_%header sleep .3 sleep .3 sleep .3 sleep .3 sleep .3 sleep .3 sleep .3 sleep .3 sleep .3 sleep .3 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 --xapply echo ::: A B C ::: D E F A D B E C F parallel --xapply echo ::: A B C D E ::: F G A F B G C F D G E F 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 1 2 parallel ::: ls 'echo foo' pwd abc-file abc0-file abc_-file def-file num1000000 num128 num30000 num8 num_%header tsv-file.tsv foo /home/tange/privat/parallel/testsuite/tmp my_func() { echo in my_func $1 } export -f my_func parallel my_func ::: 1 2 3 in my_func 1 in my_func 2 in my_func 3 parallel echo ::: A/B.C A/B.C parallel echo {} ::: A/B.C A/B.C parallel echo {.} ::: A/B.C A/B parallel echo {/} ::: A/B.C B.C parallel echo {//} ::: A/B.C A parallel echo {/.} ::: A/B.C B parallel echo {#} ::: A B C 1 2 3 parallel -j 2 echo {%} ::: A B C 1 2 1 parallel -I ,, echo ,, ::: A/B.C A/B.C parallel --extensionreplace ,, echo ,, ::: A/B.C A/B parallel --basenamereplace ,, echo ,, ::: A/B.C B.C parallel --dirnamereplace ,, echo ,, ::: A/B.C A parallel --basenameextensionreplace ,, echo ,, ::: A/B.C B parallel --seqreplace ,, echo ,, ::: A B C 1 2 3 parallel -j2 --slotreplace ,, echo ,, ::: A B C 1 2 1 parallel echo '{= s:\.[^.]+$::;s:\.[^.]+$::; =}' ::: foo.tar.gz foo parallel --parens ,,,, echo ',, s:\.[^.]+$::;s:\.[^.]+$::; ,,' ::: foo.tar.gz foo parallel --rpl '.. s:\.[^.]+$::;s:\.[^.]+$::;' echo '..' ::: foo.tar.gz foo parallel --rpl '{..} s:\.[^.]+$::;s:\.[^.]+$::;' echo '{..}' ::: foo.tar.gz foo --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 4: --rpl: command not found /bin/bash: line 5: --rpl: command not found /bin/bash: line 6: --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 cat num30000 | parallel --xargs echo | wc -l 2 cat num30000 | parallel --xargs -s 10000 echo | wc -l 17 cat num30000 | parallel --jobs 4 -m echo | wc -l 5 parallel --jobs 4 -m echo ::: 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 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 foo foo perl -e 'print "@ARGV\n"' A A parallel perl -e 'print "@ARGV\n"' ::: This wont work parallel: Warning: Input is read from the terminal. Only experts do this on purpose. Press CTRL-D to exit. perl -e 'print "@ARGV\n"' [CTRL-D] /bin/bash: line 1: parallel:: command not found /bin/bash: line 3: [CTRL-D]: command not found 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 --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 4-middle 4-end 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 4-end 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 4-middle 4-end parallel -j2 -k 'printf "%s-start\n%s" {} {};sleep {};printf "%s\n" -middle;echo {}-end' ::: 4 2 1 4-start 4-middle 4-end 2-start 2-middle 2-end 1-start 1-middle 1-end parallel --files echo ::: A B C /tmp/parallel-tutorial/parXXXXX.par /tmp/parallel-tutorial/parXXXXX.par /tmp/parallel-tutorial/parXXXXX.par parallel --tmpdir /var/tmp --files echo ::: A B C /var/tmp/parXXXXX.par /var/tmp/parXXXXX.par /var/tmp/parXXXXX.par parallel --results outdir echo ::: A B C A B C outdir/1/A/stderr outdir/1/A/stdout outdir/1/B/stderr outdir/1/B/stdout outdir/1/C/stderr outdir/1/C/stdout /bin/bash: outdir/1/A/stderr: No such file or directory /bin/bash: line 1: outdir/1/A/stdout: No such file or directory /bin/bash: line 2: outdir/1/B/stderr: No such file or directory /bin/bash: line 3: outdir/1/B/stdout: No such file or directory /bin/bash: line 4: outdir/1/C/stderr: No such file or directory /bin/bash: line 5: 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/stderr outdir/f1/A/f2/C/stdout outdir/f1/A/f2/D/stderr outdir/f1/A/f2/D/stdout outdir/f1/B/f2/C/stderr outdir/f1/B/f2/C/stdout outdir/f1/B/f2/D/stderr outdir/f1/B/f2/D/stdout /bin/bash: outdir/f1/A/f2/C/stderr: No such file or directory /bin/bash: line 1: outdir/f1/A/f2/C/stdout: No such file or directory /bin/bash: line 2: outdir/f1/A/f2/D/stderr: No such file or directory /bin/bash: line 3: outdir/f1/A/f2/D/stdout: No such file or directory /bin/bash: line 4: outdir/f1/B/f2/C/stderr: No such file or directory /bin/bash: line 5: outdir/f1/B/f2/C/stdout: No such file or directory /bin/bash: line 6: outdir/f1/B/f2/D/stderr: No such file or directory /bin/bash: line 7: outdir/f1/B/f2/D/stdout: No such file or directory /usr/bin/time -f %e parallel -N0 -j64 sleep 1 :::: num128 2 /usr/bin/time -f %e parallel -N0 sleep 1 :::: num128 16 /usr/bin/time -f %e parallel -N0 --jobs 200% sleep 1 :::: num128 8 /usr/bin/time -f %e parallel -N0 --jobs 0 sleep 1 :::: num128 1 echo 50% > my_jobs /usr/bin/time -f %e parallel -N0 --jobs my_jobs sleep 1 :::: num128 & sleep 1 echo 0 > my_jobs wait 3 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 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC 123 abc ABC seq 10 20 | parallel --tmux 'echo start {}; sleep {}; echo done {}' See output with: tmux -S /tmp/parallel-tutorial/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 2 4 parallel --timeout 200% sleep {}\; echo {} ::: 2.1 2.2 3 7 2.3 2 2 3 2 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=12 --progress --auto-kill) BASE64 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 -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 0 0 1 2 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 0 0 1 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 0 1 2 3 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 soon,success=1 echo {}\; exit {} ::: 1 2 3 0 4 5 6 1 2 3 0 4 parallel: This job succeeded: echo X; exit X parallel: Starting no more jobs. Waiting for 1 jobs to finish. parallel -k --retries 3 'echo tried {} >>/tmp/runs; echo completed {}; exit {}' ::: 1 2 0 cat /tmp/runs completed 1 completed 2 completed 0 tried 1 tried 0 tried 1 tried 1 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 --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 -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 --transfer cat ::: input_file This is input_file echo This is input_file > input_file parallel -S $SERVER1 --transfer --return {}.out cat {} ">"{}.out ::: input_file cat input_file.out This is input_file echo This is input_file > input_file parallel -S $SERVER1 --transfer --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 ::: "" /home/parallel /home/parallel/privat/parallel/testsuite/tmp /home/parallel/.TMPWORKDIR parallel -S $SERVER1 --sshdelay 0.2 echo ::: 1 2 3 1 2 3 parallel --controlmaster -S $SERVER1 echo ::: 1 2 3 1 2 3 parallel --filter-hosts -S 173.194.32.46,$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 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_test%% CLUTTER_IM_MODULE COLORFGBG DBUS_SESSION_BUS_ADDRESS DEBEMAIL DEBFULLNAME DEFAULTS_PATH DESKTOP_SESSION DISPLAY DM_CONTROL GLADE_CATALOG_PATH GLADE_MODULE_PATH GLADE_PIXMAP_PATH GPG_AGENT_INFO GTK_IM_MODULE HISTCONTROL HOME IM_CONFIG_PHASE INSTANCE JAVA_HOME JDK_HOME JOB KONSOLE_DBUS_SERVICE KONSOLE_DBUS_SESSION KONSOLE_DBUS_WINDOW KONSOLE_PROFILE_NAME LANG LANGUAGE LESS LESSCLOSE LESSOPEN LOGNAME LS_COLORS MAKEFLAGS MAKELEVEL MANDATORY_PATH MFLAGS MOZ_NO_REMOTE ORACLE_HOME ORACLE_SID PARALLEL PARALLEL_PID PARALLEL_SEQ PARALLEL_TMP PATH PERL_MB_OPT PERL_MM_OPT PROFILEHOME PWD QT4_IM_MODULE QT_IM_MODULE SELINUX_INIT SERVER1 SERVER2 SESSION SESSIONTYPE SESSION_MANAGER SHELL SHELL_SESSION_ID SHLVL SSH_AGENT_PID SSH_AUTH_SOCK TERM TEXTDOMAIN TEXTDOMAINDIR TIMEOUT TMPDIR TRIES UPSTART_EVENTS UPSTART_INSTANCE UPSTART_JOB UPSTART_SESSION USER VISUAL WINDOWID WINDOWPATH XDG_CONFIG_DIRS XDG_CURRENT_DESKTOP XDG_DATA_DIRS XDG_MENU_PREFIX XDG_RUNTIME_DIR XDG_SEAT XDG_SESSION_ID XDG_VTNR XDM_MANAGED XMODIFIERS _ # 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 parallel -vv -S $SERVER1 echo ::: bar ssh parallel@lo exec perl\ -e\ \\\$ENV\\\{\\\"PARALLEL_PID\\\"\\\}\\\=\\\"000000\\\"\\\;\\\$ENV\\\{\\\"PARALLEL_SEQ\\\"\\\}\\\=\\\"1\\\"\\\;\\\$bashfunc\\\ \\\=\\\ \\\"\\\"\\\;@ARGV\\\=\\\"echo\\\ bar\\\"\\\;\\\$shell\\\=\\\"\\\$ENV\\\{SHELL\\\}\\\"\\\;\\\$tmpdir\\\=\\\"/tmp/parallel-tutorial\\\"\\\;do\\\{\\\$ENV\\\{PARALLEL_TMP\\\}\\\=\\\$tmpdir.\\\"/par\\\".join\\\"\\\",map\\\{\\\(0..9,\\\"a\\\"..\\\"z\\\",\\\"A\\\"..\\\"Z\\\"\\\)\\\[rand\\\(62\\\)\\\]\\\}\\\(1..5\\\)\\\;\\\}while\\\(-e\\\$ENV\\\{PARALLEL_TMP\\\}\\\)\\\;\\\$SIG\\\{CHLD\\\}\\\=sub\\\{\\\$done\\\=1\\\;\\\}\\\;\\\$pid\\\=fork\\\;unless\\\(\\\$pid\\\)\\\{setpgrp\\\;exec\\\$shell,\\\"-c\\\",\\\(\\\$bashfunc.\\\"@ARGV\\\"\\\)\\\;die\\\"exec:\\\$\\\!\\\\n\\\"\\\;\\\}do\\\{\\\$s\\\=\\\$s\\\<1\\\?0.001+\\\$s\\\*1.03:\\\$s\\\;select\\\(undef,undef,undef,\\\$s\\\)\\\;\\\}until\\\(\\\$done\\\|\\\|getppid\\\=\\\=1\\\)\\\;kill\\\(SIGHUP,-\\\$\\\{pid\\\}\\\)unless\\\$done\\\;wait\\\;exit\\\(\\\$\\\?\\\&127\\\?128+\\\(\\\$\\\?\\\&127\\\):1+\\\$\\\?\\\>\\\>8\\\); bar my_func3() { echo in my_func $1 > $1.out } export -f my_func3 parallel -vv --workdir ... --nice 17 --env _ --trc {}.out -S $SERVER1 my_func3 {} ::: abc-file ( ssh parallel@lo mkdir -p ./.TMPWORKDIR;rsync --protocol 30 -rlDzR -essh ./abc-file parallel@lo:./.TMPWORKDIR );ssh parallel@lo exec perl -e \''@GNU_Parallel=("use","IPC::Open3;","use","MIME::Base64");eval"@GNU_Parallel";$SIG{CHLD}="IGNORE";my$zip=(grep{-x$_}"/usr/local/bin/bzip2")[0]||"bzip2";my($in,$out,$eval);open3($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;eval$eval;'\' BASE64;_EXIT_status=$?; mkdir -p ./.; rsync --protocol 30 --rsync-path=cd\ ./.TMPWORKDIR/./.\;\ rsync -rlDzR -essh parallel@lo:./abc-file.out ./.;ssh parallel@lo \(rm\ -f\ ./.TMPWORKDIR/abc-file\;\ sh\ -c\ \'rmdir\ ./.TMPWORKDIR/\ ./.parallel/tmp/\ ./.parallel/\ 2\>/dev/null\'\;rm\ -rf\ ./.TMPWORKDIR\;\);ssh parallel@lo \(rm\ -f\ ./.TMPWORKDIR/abc-file.out\;\ sh\ -c\ \'rmdir\ ./.TMPWORKDIR/\ ./.parallel/tmp/\ ./.parallel/\ 2\>/dev/null\'\;rm\ -rf\ ./.TMPWORKDIR\;\);ssh parallel@lo rm -rf .TMPWORKDIR; exit $_EXIT_status; cat num1000000 | parallel --pipe wc 165668 165668 1048571 149797 149797 1048579 149796 149796 1048572 149797 149797 1048579 149797 149797 1048579 149796 149796 1048572 85349 85349 597444 cat num1000000 | parallel --pipe --block 2M wc 315465 315465 2097150 299593 299593 2097151 299593 299593 2097151 85349 85349 597444 cat num1000000 | parallel --pipe -j4 --round-robin wc 315465 315465 2097150 299593 299593 2097151 235145 235145 1646016 149797 149797 1048579 cat num1000000 | parallel --pipe -N140000 wc 140000 140000 868895 140000 140000 980000 140000 140000 980000 140000 140000 980000 140000 140000 980000 140000 140000 980000 140000 140000 980000 20000 20000 140001 cat num1000000 | parallel --pipe -L75 wc 165600 165600 1048095 149850 149850 1048950 149775 149775 1048425 149775 149775 1048425 149850 149850 1048950 149775 149775 1048425 85350 85350 597450 25 25 176 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 JOB1 %head1 %head2 1 2 3 JOB2 %head1 %head2 4 5 6 JOB3 %head1 %head2 7 8 9 JOB4 %head1 %head2 10 cat num_%header | parallel --header 2 --pipe -N3 echo JOB{#}\;cat JOB1 %head1 %head2 1 2 3 JOB2 %head1 %head2 4 5 6 JOB3 %head1 %head2 7 8 9 JOB4 %head1 %head2 10 parallel --pipepart -a num1000000 --block 3m wc 444444 444444 3000003 428572 428572 3000004 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" Warning: unknown mime-type for "@ARGV\n" -- using "application/octet-stream" Error: no such file "@ARGV\n" parallel perl_echo ::: foo bar /bin/bash: perl_echo: command not found /bin/bash: perl_echo: command not found #!/usr/bin/parallel --shebang-wrap /usr/bin/perl print "@ARGV\n" Warning: unknown mime-type for "@ARGV\n" -- using "application/octet-stream" Error: no such file "@ARGV\n" perl_echo foo bar /bin/bash: perl_echo: command not found 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 The second finished 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 The second finished running in the foreground sem --id my_id -u 'echo First started; sleep 10; echo The first finished' First started The first finished sem --id my_id -u 'echo Second started; sleep 10; echo The second finished' sem --jobs 3 --id my_id -u 'echo First started; sleep 5; echo The first finished' && sem --jobs 3 --id my_id -u 'echo Second started; sleep 6; echo The second finished' && sem --jobs 3 --id my_id -u 'echo Third started; sleep 7; echo The third finished' && sem --jobs 3 --id my_id -u 'echo Fourth started; sleep 8; echo The fourth finished' && sem --wait --id my_id First started The first finished Third started The second finished Fourth started The third finished The fourth finished sem --id foo -u 'echo Slow started; sleep 5; echo Slow ended' && sem --id foo --semaphoretimeout 1 'echo Force this running after 1 sec' && sem --id foo --semaphoretimeout -2 'echo Give up after 1 sec' sem --id foo --wait Slow started Force this 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. When using programs that use GNU Parallel to process data for publication please cite: O. Tange (2011): GNU Parallel - The Command-Line Power Tool, ;login: The USENIX Magazine, February 2011:42-47. 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) 2007,2008,2009,2010,2011,2012,2013,2014,2015 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 --bibtex'. parallel --minversion VERSION && echo Your version is at least VERSION. VERSION Your version is at least VERSION. parallel --bibtex Academic tradition requires you to cite works you base your article on. When using programs that use GNU Parallel to process data for publication please cite: @article{Tange2011a, title = {GNU Parallel - The Command-Line Power Tool}, author = {O. Tange}, address = {Frederiksberg, Denmark}, journal = {;login: The USENIX Magazine}, month = {Feb}, number = {1}, volume = {36}, url = {http://www.gnu.org/s/parallel}, year = {2011}, pages = {42-47} doi = {10.5281/zenodo.16303} } (Feel free to use \nocite{Tange2011a}) 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. 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 --max-line-length-allowed 131071 parallel --number-of-cpus parallel --number-of-cores 1 8 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 \nice -n17 /bin/bash -c echo\ A \nice -n17 /bin/bash -c echo\ B \nice -n17 /bin/bash -c echo\ C 7