parallel: Most basic --fast implemented.

NEWS

@@ -2,6 +2,20 @@
 
 New in this release:
 
+* --fast disables a lot of functionality to speed up running jobs.
+
+* Bug fixes and man page updates.
+
+News about GNU Parallel:
+
+* Job requiring GNU Parallel knowledge
+  https://www.capgemini.com/ca-en/jobs/Id6D4pEBZ6aB2WPS2aAJ/systems-engineer/
+
+
+20240822
+
+New in this release:
+
 * --match Match input source with regexp to set replacement fields.
 
 * {:%fmt} Use printf formatting of replacement strings.

doc/haikus

@@ -4,9 +4,6 @@
  
 Quote of the month:
 
-  Recently executed a flawless live data migration of ~2.4pb using GNU parallel for scale and bash scripts.
-    -- @mechanicker@twitter Dhruva
-
   by extreme do you mean extremely slow? you could do it at least 100x faster using awk + grep + gnu parallel
     -- @ObssessedDev@twitter
 
@@ -227,6 +224,9 @@ https://negfeedback.blogspot.com/2020/05/indispensable-command-line-tools.html
 
 === Used ===
 
+  Recently executed a flawless live data migration of ~2.4pb using GNU parallel for scale and bash scripts.
+    -- @mechanicker@twitter Dhruva
+
   honestly the coolest software i've ever seen gotta be gnu parallel or
   ffmpeg, nothing like them
     -- @scootykins scoot

doc/release_new_version

@@ -268,34 +268,25 @@ from:tange@gnu.org
 to:parallel@gnu.org, bug-parallel@gnu.org
 stable-bcc: Jesse Alama <jessealama@fastmail.fm>
 
-Subject: GNU Parallel 20240822 ('Southport') released
+Subject: GNU Parallel 20240922 ('Gold Apollo AR924') released
 
-GNU Parallel 20240822 ('Southport') has been released. It is available for download at: lbry://@GnuParallel:4
+GNU Parallel 20240922 ('Gold Apollo AR924') has been released. It is available for download at: lbry://@GnuParallel:4
 
 Quote of the month:
 
-  honestly the coolest software i've ever seen gotta be gnu parallel or
+  Recently executed a flawless live data migration of ~2.4pb using GNU parallel for scale and bash scripts.
-  ffmpeg, nothing like them
+    -- @mechanicker@twitter Dhruva
-    -- @scootykins scoot
   
 New in this release:
 
-* --match Match input source with regexp to set replacement fields.
+* --fast disables a lot of functionality to speed up running jobs.
-
-* {:%fmt} Use printf formatting of replacement strings.
 
 * Bug fixes and man page updates.
 
-
 News about GNU Parallel:
 
-* Powerful GNU parallel, more than a loop https://www.linkedin.com/pulse/powerful-gnu-parallel-more-than-loop-zhenguo-zhang-18dxc
+* Job requiring GNU Parallel knowledge
-
+  https://www.capgemini.com/ca-en/jobs/Id6D4pEBZ6aB2WPS2aAJ/systems-engineer/
-* How To Increase File Transfer Speed Using Parallel Rsync? https://contentbase.com/blog/increase-file-transfer-speed-parallel-rsync/
-
-* Converting WebP Images to PNG Using parallel and dwebp https://bytefreaks.net/2024/07/27
-
-* Turbocharging the Box CLI with GNU Parallel https://medium.com/box-developer-blog/turbocharging-the-box-cli-with-gnu-parallel-ee44c48811c0
 
 
 GNU Parallel - For people who live life in the parallel lane.

src/env_parallel.ash

@@ -601,7 +601,7 @@ _parset_main() {
     fi
     if [ "$_parset_NAME" = "--version" ] ; then
 	# shellcheck disable=SC2006
-	echo "parset 20240822 (GNU parallel `parallel --minversion 1`)"
+	echo "parset 20240823 (GNU parallel `parallel --minversion 1`)"
 	echo "Copyright (C) 2007-2024 Ole Tange, http://ole.tange.dk and Free Software"
 	echo "Foundation, Inc."
 	echo "License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>"

src/env_parallel.bash

@@ -605,7 +605,7 @@ _parset_main() {
     fi
     if [ "$_parset_NAME" = "--version" ] ; then
 	# shellcheck disable=SC2006
-	echo "parset 20240822 (GNU parallel `parallel --minversion 1`)"
+	echo "parset 20240823 (GNU parallel `parallel --minversion 1`)"
 	echo "Copyright (C) 2007-2024 Ole Tange, http://ole.tange.dk and Free Software"
 	echo "Foundation, Inc."
 	echo "License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>"

src/env_parallel.dash

@@ -601,7 +601,7 @@ _parset_main() {
     fi
     if [ "$_parset_NAME" = "--version" ] ; then
 	# shellcheck disable=SC2006
-	echo "parset 20240822 (GNU parallel `parallel --minversion 1`)"
+	echo "parset 20240823 (GNU parallel `parallel --minversion 1`)"
 	echo "Copyright (C) 2007-2024 Ole Tange, http://ole.tange.dk and Free Software"
 	echo "Foundation, Inc."
 	echo "License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>"

src/env_parallel.ksh

@@ -601,7 +601,7 @@ _parset_main() {
     fi
     if [ "$_parset_NAME" = "--version" ] ; then
 	# shellcheck disable=SC2006
-	echo "parset 20240822 (GNU parallel `parallel --minversion 1`)"
+	echo "parset 20240823 (GNU parallel `parallel --minversion 1`)"
 	echo "Copyright (C) 2007-2024 Ole Tange, http://ole.tange.dk and Free Software"
 	echo "Foundation, Inc."
 	echo "License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>"

src/env_parallel.mksh

@@ -570,7 +570,7 @@ _parset_main() {
     fi
     if [ "$_parset_NAME" = "--version" ] ; then
 	# shellcheck disable=SC2006
-	echo "parset 20240822 (GNU parallel `parallel --minversion 1`)"
+	echo "parset 20240823 (GNU parallel `parallel --minversion 1`)"
 	echo "Copyright (C) 2007-2024 Ole Tange, http://ole.tange.dk and Free Software"
 	echo "Foundation, Inc."
 	echo "License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>"

src/env_parallel.sh

@@ -601,7 +601,7 @@ _parset_main() {
     fi
     if [ "$_parset_NAME" = "--version" ] ; then
 	# shellcheck disable=SC2006
-	echo "parset 20240822 (GNU parallel `parallel --minversion 1`)"
+	echo "parset 20240823 (GNU parallel `parallel --minversion 1`)"
 	echo "Copyright (C) 2007-2024 Ole Tange, http://ole.tange.dk and Free Software"
 	echo "Foundation, Inc."
 	echo "License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>"

src/env_parallel.zsh

@@ -601,7 +601,7 @@ _parset_main() {
     fi
     if [ "$_parset_NAME" = "--version" ] ; then
 	# shellcheck disable=SC2006
-	echo "parset 20240822 (GNU parallel `parallel --minversion 1`)"
+	echo "parset 20240823 (GNU parallel `parallel --minversion 1`)"
 	echo "Copyright (C) 2007-2024 Ole Tange, http://ole.tange.dk and Free Software"
 	echo "Foundation, Inc."
 	echo "License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>"

src/niceload

@@ -26,7 +26,7 @@
 use strict;
 use Getopt::Long;
 $Global::progname="niceload";
-$Global::version = 20240822;
+$Global::version = 20240823;
 Getopt::Long::Configure("bundling","require_order");
 get_options_from_array(\@ARGV) || die_usage();
 if($opt::version) {

src/parallel

@@ -156,6 +156,91 @@ sub halt() {
 }
 
 
+sub __FAST_MODE__() {}
+
+
+sub fast() {
+    my $jobslots = $Global::host{':'}->user_requested_processes($opt::jobs);
+    my $i;
+    my $jobs_per_chunk;
+    my $buffer_len = 100;
+    my $splitstring = ("\n#\0\n");
+    # n = jobslots
+    # Read 100 jobs
+    # Split into n chunks
+    # Read 3*100 jobs
+    # Split into n chunks
+    # Read 3*3*100 jobs (up to at most 300K jobs)
+    # Split into n chunks
+    # Receiver: parallel --block 1k --pipe -N1 --recend '\n#\0\n' dash
+    # TODO --group? --halt? --tag? $PARALLEL_JOBSLOT
+    # _PARALLEL_TAG="foo"
+    # | tagger
+    # _PARALLEL_EXIT
+    # maybe_exit
+    my $executer_fh;
+    if($opt::D eq "fast") {
+	open($executer_fh, "|-", "cat") || die;
+    } else {
+	open($executer_fh, "|-", "parallel --plain -j $jobslots  --block 1k --pipe -N1 --recend '\\n#\\0\\n' $Global::shell") || die;
+    }
+    # Do some testing of a stuck job - dns = 5 sec
+    my $block_start = q{
+	error() {
+	    _exit=$((_exit+1))
+ 	    # --halt-on-error stuff
+	    if [ $_exit -gt 40 ]; then
+	        echo "ERROR: More than 40"
+	        exit 1
+	    fi
+        }
+        
+        _tagger() {
+          {
+            rm -f "$1"
+            # This will fail for either /1 or /2
+            rmdir "$2" 2>/dev/null
+	    # TODO use awk (see fasttag)
+            perl -pe 's{^}{$ENV{PARALLEL_TAGSTRING}}'
+          } < "$1"
+        }
+        
+        _taggerwrap() {
+            _dir=`mktemp -d`
+            mkfifo "$_dir"/1 "$_dir"/2
+            _tagger "$_dir"/1 "$_dir" >&1 &
+            _tagger "$_dir"/2 "$_dir" >&2 &
+            # ( ... ) is needed to deal correctly with 'exit 1'
+            ( eval $@ ; ) >"$_dir"/1 2>"$_dir"/2 || error
+            wait
+        }
+	PARALLEL_TAGSTRING=dummy
+	export PARALLEL_TAGSTRING
+    };
+    my $block_end = "\n# Define get exit value\necho EXIT=\$_exit\n".$splitstring."\n";
+    do {
+	$i = 0;
+	my @jobbuffer;
+	while(my $job = $Global::JobQueue->get()) {
+	    push (@jobbuffer, "PARALLEL_TAGSTRING=".Q($job->tag()).
+	    	 "\n_taggerwrap ". Q($job->replaced()));
+	    ($i++ < $buffer_len) or last;
+	}
+	my $jobs_per_chunk = 1 + ($i / $jobslots);
+	my $j = 0;
+	print $executer_fh $block_start;
+	for(@jobbuffer) {
+	    print $executer_fh $_,"\n";
+	    (++$j % $jobs_per_chunk) or print $executer_fh $block_end,$block_start;
+	}
+	print $executer_fh $block_end;
+	if($buffer_len < 100000) { $buffer_len *= 3; }
+    } while ($i);
+    close $executer_fh;
+    exit(0);
+}
+
+
 sub __PIPE_MODE__() {}
 
 
@@ -2084,7 +2169,7 @@ sub options_completion_hash() {
 	  "first line of a script. The content of the file will be treated ".
 	  "as inputsource]"
 	  => \$opt::shebang),
-	 ("_pipe-means-argfiles[internal]"
+	 ("_pipe-means-argfiles[Internal: Called by --shebang-wrap]"
 	  => \$opt::_pipe_means_argfiles),
 	 "Y" => \$opt::retired,
 	 ("skip-first-line|skipfirstline".
@@ -2141,7 +2226,8 @@ sub options_completion_hash() {
 	 "[Embed GNU parallel in a shell script]" => \$opt::combineexec,
 	 ("filter=s[Only run jobs where filter is true]:filter"
 	  => \@opt::filter),
-	 "_parset=s[Generate shell code for parset]" => \$opt::_parset,
+	 "fast[Run commands fast]" => \$opt::fast,
+	 "_parset=s[Internal: Generate shell code for parset]" => \$opt::_parset,
 	 ("shell-completion|shellcompletion=s".
 	  "[Generate shell code for shell completion]:shell:(bash zsh)"
 	  => \$opt::shellcompletion),
@@ -2248,8 +2334,12 @@ sub parse_options(@) {
     #
     ## Shell
     #
+    if($opt::fast) {
+	$Global::shell = $ENV{'PARALLEL_SHELL'} || which("dash") || "/bin/sh";
+    } else {
 	$Global::shell = $ENV{'PARALLEL_SHELL'} || parent_shell($$)
 	    || $ENV{'SHELL'} || "/bin/sh";
+    }
     if(not -x $Global::shell and not which($Global::shell)) {
 	::error("Shell '$Global::shell' not found.");
 	wait_and_exit(255);
@@ -2798,7 +2888,7 @@ sub check_invalid_option_combinations() {
 
 sub init_globals() {
     # Defaults:
-    $Global::version = 20240822;
+    $Global::version = 20240823;
     $Global::progname = 'parallel';
     $::name = "GNU Parallel";
     $Global::infinity = 2**31;
@@ -15700,6 +15790,8 @@ sub main() {
 	# Fill all jobslots
 	while(start_more_jobs()) {}
 	spreadstdin();
+    } elsif($opt::fast) {
+	fast();
     } else {
 	# Reap the finished jobs and start more
 	while(reapers() + start_more_jobs()) {}

src/parallel.pod

@@ -134,7 +134,7 @@ B<Bash, Csh, or Tcsh aliases>: Use B<env_parallel>.
 
 B<Zsh, Fish, Ksh, and Pdksh functions and aliases>: Use B<env_parallel>.
 
-=item B<{}> (alpha testing)
+=item B<{}> (beta testing)
 
 Input line.
 
@@ -155,7 +155,7 @@ See also: B<--plus> B<{.}> B<{/}> B<{//}> B<{/.}> B<{#}> B<{%}>
 B<{>I<n>B<}> B<{=>I<perl expression>B<=}>
 
 
-=item B<{.}> (alpha testing)
+=item B<{.}> (beta testing)
 
 Input line without extension.
 
@@ -173,7 +173,7 @@ The replacement string B<{.}> can be changed with B<--extensionreplace>
 See also: B<{}> B<--extensionreplace>
 
 
-=item B<{/}> (alpha testing)
+=item B<{/}> (beta testing)
 
 Basename of input line.
 
@@ -183,7 +183,7 @@ directory part removed.
 See also: B<{}> B<--basenamereplace>
 
 
-=item B<{//}> (alpha testing)
+=item B<{//}> (beta testing)
 
 Dirname of input line.
 
@@ -193,7 +193,7 @@ line. See B<dirname>(1).
 See also: B<{}> B<--dirnamereplace>
 
 
-=item B<{/.}> (alpha testing)
+=item B<{/.}> (beta testing)
 
 Basename of input line without extension.
 
@@ -204,7 +204,7 @@ B<{/}> and B<{.}>.
 See also: B<{}> B<--basenameextensionreplace>
 
 
-=item B<{#}> (alpha testing)
+=item B<{#}> (beta testing)
 
 Sequence number of the job to run.
 
@@ -214,7 +214,7 @@ job being run. It contains the same number as $PARALLEL_SEQ.
 See also: B<{}> B<--seqreplace>
 
 
-=item B<{%}> (alpha testing)
+=item B<{%}> (beta testing)
 
 Job slot number.
 
@@ -249,7 +249,7 @@ Notice how {%} and $PARALLEL_JOBSLOT differ in the retry run of C and D.
 See also: B<{}> B<--jobs> B<--slotreplace>
 
 
-=item B<{>I<n>B<}> (alpha testing)
+=item B<{>I<n>B<}> (beta testing)
 
 Argument from input source I<n> or the I<n>'th argument.
 
@@ -263,7 +263,7 @@ See also: B<{}> B<{>I<n>.B<}> B<{>I<n>/B<}> B<{>I<n>//B<}>
 B<{>I<n>/.B<}> B<--colsep>
 
 
-=item B<{>I<n>.B<}> (alpha testing)
+=item B<{>I<n>.B<}> (beta testing)
 
 Argument from input source I<n> or the I<n>'th argument without
 extension.
@@ -278,7 +278,7 @@ extension removed.
 See also: B<{>I<n>B<}> B<{.}>
 
 
-=item B<{>I<n>/B<}> (alpha testing)
+=item B<{>I<n>/B<}> (beta testing)
 
 Basename of argument from input source I<n> or the I<n>'th argument.
 
@@ -292,7 +292,7 @@ directory (if any) removed.
 See also: B<{>I<n>B<}> B<{/}>
 
 
-=item B<{>I<n>//B<}> (alpha testing)
+=item B<{>I<n>//B<}> (beta testing)
 
 Dirname of argument from input source I<n> or the I<n>'th argument.
 
@@ -305,7 +305,7 @@ the I<n>'th argument (when used with B<-N>). See B<dirname>(1).
 See also: B<{>I<n>B<}> B<{//}>
 
 
-=item B<{>I<n>/.B<}> (alpha testing)
+=item B<{>I<n>/.B<}> (beta testing)
 
 Basename of argument from input source I<n> or the I<n>'th argument
 without extension.
@@ -321,7 +321,7 @@ directory (if any) and extension removed.
 See also: B<{>I<n>B<}> B<{/.}>
 
 
-=item B<{=>I<perl expression>B<=}> (alpha testing)
+=item B<{=>I<perl expression>B<=}> (beta testing)
 
 Replace with calculated I<perl expression>.
 
@@ -438,7 +438,7 @@ See also: B<--rpl> B<--parens> B<{}> B<{=>I<n> I<perl expression>B<=}>
 B<--filter>
 
 
-=item B<{=>I<n> I<perl expression>B<=}> (alpha testing)
+=item B<{=>I<n> I<perl expression>B<=}> (beta testing)
 
 Positional equivalent to B<{=>I<perl expression>B<=}>.
 
@@ -447,7 +447,7 @@ To understand positional replacement strings see B<{>I<n>B<}>.
 See also: B<{=>I<perl expression>B<=}> B<{>I<n>B<}>
 
 
-=item B<{>I<rpl>:I<format>B<}> (alpha testing)
+=item B<{>I<rpl>:I<format>B<}> (beta testing)
 
 Format replacement string.
 
@@ -1104,6 +1104,27 @@ Implies B<--progress>.
 See also: B<--bar> B<--progress> B<--total-jobs>
 
 
+=item B<--fast> (alpha testing)
+
+Run jobs fast.
+
+This disables a lot of functionality of GNU B<parallel> to make jobs
+run as fast as possible: Think of it as the nitro racing car compared
+to the Volvo.
+
+Useful for benchmarking and if you have 1000's of tiny jobs.
+
+Compare:
+
+    time parallel echo ::: {1..10} ::: {1..10} ::: {1..10}
+    time parallel --fast echo ::: {1..10} ::: {1..10} ::: {1..10}
+    time parallel --fast echo ::: {1..100} ::: {1..100} ::: {1..100}
+
+Supported options: B<--group> B<--keep-order>
+
+If you need more options: File a bug.
+
+
 =item B<--fg>
 
 Run command in foreground.
@@ -1796,7 +1817,7 @@ If in doubt use B<-X> as that will most likely do what is needed.
 See also: B<-X> B<--xargs>
 
 
-=item B<--match> I<regexp> (alpha testing)
+=item B<--match> I<regexp> (beta testing)
 
 Match input source with regexp to set replacement fields.
 

src/parallel_alternatives.pod

@@ -1555,11 +1555,11 @@ B<parallelion> is fast: 0.1 ms/job. Similar to B<parallel-bash>.
 
 =head3 EXAMPLES FROM parallelion
 
-  1$ parallelion -progress 'echo {}' {1..1000}
+  1$ parallelion --progress 'echo {}' {1..1000}
 
   1$ parallel --bar echo {} ::: {1..1000}
 
-  2$ parallelion -progress 'echo {}' $(seq 1 999)
+  2$ parallelion --progress 'echo {}' $(seq 1 999)
 
   2$ seq 1 999 | parallel --bar echo
 

src/parsort

@@ -137,7 +137,7 @@ GetOptions(
     "help" => \$opt::dummy,
     ) || exit(255);
 $Global::progname = ($0 =~ m:(^|/)([^/]+)$:)[1];
-$Global::version = 20240822;
+$Global::version = 20240823;
 if($opt::version) { version(); exit 0; }
 # Remove -D and --parallel=N
 my @s = (grep { ! /^-D$|^--parallel=\S+$/ }

src/pod2rst-fix

@@ -97,7 +97,8 @@ sub pre3 {
     # If =for not already there, insert:
     #   =for pod2rst next-code-block: bash
     $all = <STDIN>;
-    @codepar = split/(?<=\n  .{0,25}\S.{0,200}\n{2,10})(?=[0-9a-zA-Z=])/, $all;
+    # Split after code block (where indented lines => no indent)
+    @codepar = split/(?<=\n  .{0,25}\S.{0,200}\n{2,10})(?=^[0-9a-zA-Z=])/m, $all;
     for(@codepar) {
 	/=for pod2rst next-code-block:/ and next;
 	s/((\n  +\S))/\n=for pod2rst next-code-block: bash\n$1/;

src/sql

@@ -670,7 +670,7 @@ $Global::Initfile && unlink $Global::Initfile;
 exit ($err);
 
 sub parse_options {
-    $Global::version = 20240822;
+    $Global::version = 20240823;
     $Global::progname = 'sql';
 
     # This must be done first as this may exec myself

testsuite/Makefile

@@ -123,7 +123,7 @@ stop=(stdout ping -w 1 -c 1 {} && \
   (cd vagrant/*/{} && vagrant suspend) ) | \
   grep -Ev "${ignore}"
 
-namedservers=centos8 freebsd13 freebsd14 rhel8 centos3
+namedservers=centos9 freebsd13 freebsd14 rhel8 centos3
 servers=parallel-server1 parallel-server2 parallel-server3 parallel-server4 ${namedservers}
 
 startvm:

testsuite/REQUIREMENTS

@@ -290,7 +290,7 @@ add_server_to_hosts() {
     insert_in_etc_hosts 127.1.2.3 server
     
     insert_in_etc_hosts 127.0.0.2 lo
-    parallel add_single_vagrant_to_etc_hosts {} parallel-server{#} ::: centos8 freebsd13 freebsd14 rhel8 centos3
+    parallel add_single_vagrant_to_etc_hosts {} parallel-server{#} ::: centos9 freebsd13 freebsd14 rhel8 centos3
 }
 
 vagrant_up() {

testsuite/wanted-results/parallel-local-0.3s

@@ -984,10 +984,10 @@ par_sem_quote	### sem --quote should not add empty argument
 par_sem_quote	echo
 par_sem_quote	
 par_shellcompletion	### --shellcompletion
-par_shellcompletion	bf790ce8a53d1e7e5f8e78b063dc65bc  -
+par_shellcompletion	1eba455fe1456f03376f19255aed28d3  -
-par_shellcompletion	bf790ce8a53d1e7e5f8e78b063dc65bc  -
+par_shellcompletion	1eba455fe1456f03376f19255aed28d3  -
-par_shellcompletion	2230e8ac0593f660fccd983596377613  -
+par_shellcompletion	1ea63315f24ede14c1e8d93c1b64150a  -
-par_shellcompletion	2230e8ac0593f660fccd983596377613  -
+par_shellcompletion	1ea63315f24ede14c1e8d93c1b64150a  -
 par_slow_pipe_regexp	### bug #53718: --pipe --regexp -N blocks
 par_slow_pipe_regexp	This should take a few ms, but took more than 2 hours
 par_slow_pipe_regexp	      0       1       1

testsuite/wanted-results/parallel-local-sql01

@@ -1855,7 +1855,7 @@ SQLITE	par_empty	p_wrapper par_empty $SQLITE
 SQLITE	par_empty	Do nothing: TBL99999 does not exist because it is not created
 SQLITE	par_empty	Exit=0
 SQLITE	par_empty	Exit=0
-SQLITE	par_empty	Parse error near line 1: no such table: TBL99999 (1)
+SQLITE	par_empty	Parse error near line 1: no such table: TBL99999
 SQLITE	par_no_table	p_wrapper par_no_table $SQLITE
 SQLITE	par_no_table	bug #50018: --dburl without table dies
 SQLITE	par_no_table	255

testsuite/wanted-results/parallel-tutorial

@@ -720,6 +720,7 @@ BASH_FUNC_replace_tmpdir%%
 BASH_FUNC_run_once%%
 BASH_FUNC_run_test%%
 _
+mysqlrootpass
 qTMPDIR
 qqTMPDIR
 testsuitedir
@@ -1061,16 +1062,19 @@ cat: num_%header: No such file or directory
 /usr/bin/bash: line 2: 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
 /usr/bin/bash: line 1: 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
 /usr/bin/bash: line 1: perl_echo: command not found
   #!/usr/bin/parallel --shebang-wrap /usr/bin/perl
   print "Arguments @ARGV\n";
+Warning: unknown mime-type for "Arguments @ARGV\n" -- using "application/octet-stream"
 Error: no such file "Arguments @ARGV\n"
   #!/usr/bin/parallel --shebang-wrap /usr/bin/python
   print 'Arguments', str(sys.argv)
@@ -1091,6 +1095,7 @@ Arguments
   #!/usr/bin/parallel --shebang-wrap /usr/bin/ruby
   print "Arguments "
   puts ARGV
+Warning: unknown mime-type for "Arguments " -- using "application/octet-stream"
 Error: no such file "Arguments "
 /usr/bin/bash: line 4: puts: command not found
   #!/usr/bin/parallel --shebang-wrap /usr/bin/octave

testsuite/wanted-results/test21

@@ -3,28 +3,28 @@
  134332  134332  940324
 1
 1
-centos8.localdomain
+centos9s.localdomain
 freebsd14.localdomain
 hostname; echo 1
 hostname; echo 1
 ### Test $PARALLEL - multi line
 1
 1
-centos8.localdomain
+centos9s.localdomain
 freebsd14.localdomain
 hostname; echo 1
 hostname; echo 1
 ### Test ~/.parallel/config - single line
 1
 1
-centos8.localdomain
+centos9s.localdomain
 freebsd14.localdomain
 hostname; echo 1
 hostname; echo 1
 ### Test ~/.parallel/config - multi line
 1
 1
-centos8.localdomain
+centos9s.localdomain
 freebsd14.localdomain
 hostname; echo 1
 hostname; echo 1

testsuite/wanted-results/test60

@@ -1,15 +1,15 @@
 par_nonall	### Test --nonall
-par_nonall	centos8.localdomain
+par_nonall	centos9s.localdomain
 par_nonall	freebsd13.localdomain
 par_nonall_basefile	### Test --nonall --basefile
 par_nonall_basefile	/tmp/nonall--basefile
 par_nonall_basefile	/tmp/nonall--basefile
 par_nonall_sshloginfile_stdin	### Test read sshloginfile from STDIN
-par_nonall_sshloginfile_stdin	centos8.localdomain
+par_nonall_sshloginfile_stdin	centos9s.localdomain
-par_nonall_sshloginfile_stdin	centos8.localdomain
+par_nonall_sshloginfile_stdin	centos9s.localdomain
 par_nonall_u	### Test --nonall -u - should be interleaved x y x y
-par_nonall_u	      1 centos8.localdomain
+par_nonall_u	      1 centos9s.localdomain
-par_nonall_u	      1 centos8.localdomain
+par_nonall_u	      1 centos9s.localdomain
 par_nonall_u	      1 freebsd13.localdomain
 par_nonall_u	      1 freebsd13.localdomain
 par_onall	### Test --onall