parallel: -a file1 -a +file2 will link file2 to file1.

NEWS

@@ -1,3 +1,15 @@
+20231122
+
+New in this release:
+
+* -a file1 -a +file2 will link file2 to file1 similar to ::::+
+
+* Bug fixes and man page updates.
+
+News about GNU Parallel:
+
+
+
 20231022
 
 New in this release:

doc/release_new_version

@@ -274,24 +274,23 @@ from:tange@gnu.org
 to:parallel@gnu.org, bug-parallel@gnu.org
 stable-bcc: Jesse Alama <jessealama@fastmail.fm>
 
-Subject: GNU Parallel 20231022 ('Al-Aqsa Deluge') released [stable]
+Subject: GNU Parallel 20231122 ('Perry<<>>') released <<[stable]>>
 
-GNU Parallel 20231022 ('Al-Aqsa Deluge') has been released. It is available for download at: lbry://@GnuParallel:4
+GNU Parallel 20231122 ('<<>>') has been released. It is available for download at: lbry://@GnuParallel:4
 
 Quote of the month:
 
-  Love to make a dual processor workstation absolutely whir running dozens of analysis scripts at once
+<<>>
-    -- Best Catboy Key Grip @alamogordoglass@twitter
+
-  
 New in this release:
 
+* -a file1 -a +file2 will link file2 to file1 similar to ::::+
+
 * Bug fixes and man page updates.
 
 News about GNU Parallel:
 
-* Resume long parallel jobs https://ginolhac.github.io/posts/2023-10-02_resume-parallel/index.html 
+<<>>
-
-* Efficiency and Speed with GNU Parallel https://dev.to/0xog_pg/efficiency-and-speed-with-gnu-parallel-loo 
 
 
 GNU Parallel - For people who live life in the parallel lane.

src/parallel

@@ -2522,10 +2522,8 @@ sub parse_options(@) {
        not ($opt::xargs or $opt::m)) {
 	$Global::ContextReplace = 1;
     }
-    if(grep /^$Global::arg_sep\+?$|^$Global::arg_file_sep\+?$/o, @ARGV) {
+    # Deal with ::: :::+ :::: ::::+ and -a +file
-	# Deal with ::: :::+ :::: and ::::+
+    @ARGV = read_args_from_command_line();
-	@ARGV = read_args_from_command_line();
-    }
     parse_semaphore();
 
     if(defined $opt::eta) { $opt::progress = $opt::eta; }
@@ -3524,76 +3522,136 @@ sub read_args_from_command_line() {
     #	@opt::a
     # Returns:
     #	@argv_no_argsep = @::ARGV without ::: and :::: and following args
-    my @new_argv = ();
+    my %group_sep = ($Global::arg_sep => ":::",
-    for(my $arg = shift @ARGV; @ARGV; $arg = shift @ARGV) {
+		     $Global::arg_sep."+" => ":::+",
-	if($arg eq $Global::arg_sep
+		     $Global::arg_file_sep => "::::",
-	   or
+		     $Global::arg_file_sep."+" => "::::+");
-	   $arg eq $Global::arg_sep."+"
+    sub is_linked($) {
-	   or
+	# file is linked if file starts with +
-	   $arg eq $Global::arg_file_sep
+	local $_ = shift;
-	   or
+	if(/^\+(.*)/) {
-	   $arg eq $Global::arg_file_sep."+") {
+	    my $noplus = $1;
-	    my $group_sep = $arg; # This group of args is args or argfiles
+	    if(-e $_ and -e $noplus) {
-	    my @group;
+		::error("It is unclear whether you mean +./$noplus or ./+$noplus");
-	    while(defined ($arg = shift @ARGV)) {
+		wait_and_exit(255);
-		if($arg eq $Global::arg_sep
+	    } elsif(-e $_ and not -e $noplus) {
-		   or
+		# This is ./+file = this is not linked
-		   $arg eq $Global::arg_sep."+"
+		return 0;
-		   or
+	    } elsif(not -e $_ and -e $noplus) {
-		   $arg eq $Global::arg_file_sep
+		# This is +./file = this is linked
-		   or
+		return 1;
-		   $arg eq $Global::arg_file_sep."+") {
+	    } elsif(not -e $_ and not -e $noplus) {
-		    # exit while loop if finding new separator
+		# File does not exist, maybe it is stdin?
-		    last;
+		if($_ eq "-") {
+		    # This is - = this is not linked
+		    return 0;
+		} elsif($_ eq "+-") {
+		    # This is +- = this is linked
+		    return 1;
 		} else {
-		    # If not hitting ::: :::+ :::: or ::::+
+		    ::error("File not found: $_");
-		    # Append it to the group
+		    wait_and_exit(255);
-		    push @group, $arg;
 		}
-	    }
-	    my $is_linked = ($group_sep =~ /\+$/) ? 1 : 0;
-	    my $is_file = ($group_sep eq $Global::arg_file_sep
-			   or
-			   $group_sep eq $Global::arg_file_sep."+");
-	    if($is_file) {
-		# :::: / ::::+
-		push @opt::linkinputsource, map { $is_linked } @group;
 	    } else {
-		# ::: / :::+
+		::die_bug("noplus: $noplus $_");
-		push @opt::linkinputsource, $is_linked;
-	    }
-	    if($is_file
-	       or ($opt::_pipe_means_argfiles and $opt::pipe)
-		) {
-		# Group of file names on the command line.
-		# Append args into -a
-		push @opt::a, @group;
-	    } else {
-		# Group of arguments on the command line.
-		# Put them into a file.
-		# Create argfile
-		my ($outfh,$name) = ::tmpfile(SUFFIX => ".arg");
-		unlink($name);
-		# Put args into argfile
-		print $outfh map { $_,$/ } @group;
-		seek $outfh, 0, 0;
-		exit_if_disk_full();
-		# Append filehandle to -a
-		push @opt::a, $outfh;
-	    }
-	    if(defined($arg)) {
-		# $arg is ::: :::+ :::: or ::::+
-		# so there is another group
-		redo;
-	    } else {
-		# $arg is undef -> @ARGV empty
-		last;
 	    }
 	}
-	push @new_argv, $arg;
+	# not linked
+	return 0;
     }
-    # Output: @ARGV = command to run with options
+    sub cmd_template() {
-    return @new_argv;
+	# remove command template from @ARGV
+	# keep ::: / :::: in @ARGV if any
+	my @cmd_template;
+	while(@ARGV) {
+	    my $arg = shift @ARGV;
+	    if($group_sep{$arg}) {
+		# Found separator: push it back and exit loop
+		unshift @ARGV, $arg;
+		last;
+	    }
+	    push @cmd_template, $arg;
+	}
+	return @cmd_template;
+    }
+    sub divide_into_groups() {
+	# Split arguments from @ARGV into groups:
+	#   ::: 1 2 3 :::: a b c ::::+ d e f
+	# =>
+	#   [ ::: 1 2 3 ], [ :::: a b c ], [ ::::+ d e f ]
+	my @g;
+	my @grp;
+	while(@ARGV) {
+	    my $arg = shift @ARGV;
+	    if($group_sep{$arg}) {
+		# start a new group
+		push @grp, [@g];
+		@g = ($group_sep{$arg});
+	    } else {
+		push @g, $arg;
+	    }
+	}
+	push @grp, [@g];
+	shift @grp; # The first will always be empty
+	return @grp;
+    }
+    sub save_to_file(@) {
+	# Put args into a file, return open file handle of file
+	# Create argfile
+	my ($fh,$name) = ::tmpfile(SUFFIX => ".arg");
+	unlink($name);
+	# Put args into argfile
+	print $fh map { $_,$/ } @_;
+	seek $fh, 0, 0;
+	exit_if_disk_full();
+	return $fh;
+    }
+    my @cmd = cmd_template();
+    # The rest of @ARGV is ::: / :::: args
+    # If there are any -a: Rewrite them to use ::::
+    if(@opt::a) { unshift @ARGV, $Global::arg_file_sep, @opt::a; }
+    @opt::a = ();
+    # Convert ::: and :::: into (linked) files and put those into @opt::a
+    for my $g_ref (divide_into_groups()) {
+	my $group_sep = shift @$g_ref;
+	if($group_sep eq ":::" or $group_sep eq ":::+") {
+	    # Group starts with ::: / :::+
+	    if($opt::_pipe_means_argfiles and $#$g_ref < 0) {
+		# TODO
+		# Deal with --shebang-wrap and ::: on the shebang line
+	    } else {
+		push @opt::a, save_to_file(@$g_ref);
+		# if $group_sep == ":::+": it is linked
+		push @opt::linkinputsource, ($group_sep eq ":::+");
+	    }
+	} elsif($group_sep eq "::::" or $group_sep eq "::::+") {
+	    # Group starts with :::: / ::::+
+	    for my $f (@$g_ref) {
+		if($group_sep eq "::::+") {
+		    # Linking forced
+		    push @opt::a, $f;
+		    push @opt::linkinputsource, 1;
+		} elsif($group_sep eq "::::") {
+		    # Auto detect linking
+		    if(is_linked($f)) {
+			# +file
+			push @opt::linkinputsource, 1;
+			$f =~ s/^\+//;
+		    } else {
+			# file (no plus)
+			push @opt::linkinputsource, 0;
+		    }
+		    push @opt::a, $f;
+		} else {
+		    ::die_bug("arg link error");
+		}
+	    }
+	} else {
+	    ::die_bug("arg link error");
+	}
+    }
+    # Output: command to run with options
+    return @cmd;
 }
 
 sub cleanup() {

src/parallel.pod

@@ -536,16 +536,12 @@ Shorthand for B<--delimiter '\0'>.
 See also: B<--delimiter>
 
 
-=item B<--arg-file> I<input-file>
+=item B<--arg-file> I<input-file> (alpha testing)
 
-=item B<-a> I<input-file>
+=item B<-a> I<input-file> (alpha testing)
 
 Use I<input-file> as input source.
 
-If you use this option, stdin (standard input) is given to the first
-process run.  Otherwise, stdin (standard input) is redirected from
-/dev/null.
-
 If multiple B<--arg-file> are given, each I<input-file> will be treated as an
 input source, and all combinations of input sources will be
 generated. E.g. The file B<foo> contains B<1 2>, the file
@@ -553,6 +549,12 @@ B<bar> contains B<a b c>.  B<-a foo> B<-a bar> will result in the combinations
 (1,a) (1,b) (1,c) (2,a) (2,b) (2,c). This is useful for replacing
 nested for-loops.
 
+If I<input-file> starts with B<+> the file will be linked to the
+previous B<--arg-file> E.g. The file B<foo> contains B<1 2>, the file
+B<bar> contains B<a b>.  B<-a foo> B<-a +bar> will result in the
+combinations (1,a) (2,b) like B<--link> instead of generating all
+combinations.
+
 See also: B<--link> B<{>I<n>B<}> B<::::> B<::::+> B<:::>
 
 

testsuite/tests-to-run/parallel-local-3s.sh

@@ -8,6 +8,53 @@
 # Each should be taking 3-10s and be possible to run in parallel
 # I.e.: No race conditions, no logins
 
+par__argfile_plus() {
+    tmp=$(mktemp -d)
+    (
+	p() {
+	    echo -- -a $1 $2 $3
+	    stdout parallel -k -a $1 -a $2 -a $3 echo;
+	}
+	q() {
+	    echo :::: $1 $2 $3
+	    stdout parallel -k echo :::: $1 $2 $3;
+	}
+	cd "$tmp"
+	seq 3 > file
+	seq 4 6 > +file
+	seq 7 9 > ++file
+
+	p file +file ++file
+	p file +./file ++file
+	p file ./+file ++file
+
+	p file +file +./+file
+	p file +./file +./+file
+	p file ./+file +./+file
+
+	p file +file ./++file
+	p file +./file ./++file
+	p file ./+file ./++file
+
+	q file +file ++file
+	q file +./file ++file
+	q file ./+file ++file
+
+	q file +file +./+file
+	q file +./file +./+file
+	q file ./+file +./+file
+
+	q file +file ./++file
+	q file +./file ./++file
+	q file ./+file ./++file
+	
+	seq 10 12 | p ./file ./++file -
+	seq 10 12 | p ./file +./+file +-
+	seq 10 12 | p ./file +- ./+file
+    )
+    rm -r "$tmp"
+}
+
 par_process_slot_var() {
     echo '### bug #62310: xargs compatibility: --process-slot-var=name'
     seq 0.1 0.4 1.8 |

testsuite/tests-to-run/parallel-local-load.sh

@@ -50,4 +50,4 @@ par_load_file_more_10s() {
 export -f $(compgen -A function | grep par_)
 #compgen -A function | grep par_ | sort | parallel --delay $D -j$P --tag -k '{} 2>&1'
 compgen -A function | grep par_ | sort |
-    parallel --joblog /tmp/jl-`basename $0` -j200% --tag -k '{} 2>&1'
+    parallel --timeout 30s --joblog /tmp/jl-`basename $0` -j200% --tag -k '{} 2>&1'

testsuite/tests-to-run/parallel-tutorial.sh

@@ -120,7 +120,13 @@ perl -ne '$/="\n\n"; /^Output/../^[^O]\S/ and next; /^  / and print;' "$testsuit
 	      s:par......par:tempfile:g;
 	      s:^tempfile\n::g;
 	      # --progress => 1:local / 4 / 4
-	      s,1:local / . / .,1:local / 9 / 9,
+	      s,1:local / . / .,1:local / 9 / 9,;
+	      # bash: -c: line 1: .set a="tempfile"; if( { test -d "$a" } ) echo "$a is a dir"
+	      s{.*bash: .*set a=".*".*test -d.*is a dir.*\n}{};
+	      # /usr/bin/bash: -c: line 1: syntax error near unexpected token .)
+	      s{.*bash: .*syntax error near unexpected token.*\n}{};
+	      # This is input_file
+	      s{^This is input_file.*\n}{};
 	      ' | uniq
 
 echo "### 3+3 .par files (from --files), 1 .tms-file from tmux attach"

testsuite/wanted-results/parallel-local-3s

@@ -12,6 +12,172 @@ par__10000_5_rpl_X	4
 par__10000_5_rpl_X	4
 par__10000_5_rpl_X	3
 par__10000_5_rpl_X	2
+par__argfile_plus	-- -a file +file ++file
+par__argfile_plus	parallel: Error: It is unclear whether you mean +./file or ./+file
+par__argfile_plus	-- -a file +./file ++file
+par__argfile_plus	parallel: Error: It is unclear whether you mean +./+file or ./++file
+par__argfile_plus	-- -a file ./+file ++file
+par__argfile_plus	parallel: Error: It is unclear whether you mean +./+file or ./++file
+par__argfile_plus	-- -a file +file +./+file
+par__argfile_plus	parallel: Error: It is unclear whether you mean +./file or ./+file
+par__argfile_plus	-- -a file +./file +./+file
+par__argfile_plus	1 1 4
+par__argfile_plus	2 2 5
+par__argfile_plus	3 3 6
+par__argfile_plus	-- -a file ./+file +./+file
+par__argfile_plus	1 4 4
+par__argfile_plus	1 5 5
+par__argfile_plus	1 6 6
+par__argfile_plus	2 4 4
+par__argfile_plus	2 5 5
+par__argfile_plus	2 6 6
+par__argfile_plus	3 4 4
+par__argfile_plus	3 5 5
+par__argfile_plus	3 6 6
+par__argfile_plus	-- -a file +file ./++file
+par__argfile_plus	parallel: Error: It is unclear whether you mean +./file or ./+file
+par__argfile_plus	-- -a file +./file ./++file
+par__argfile_plus	1 1 7
+par__argfile_plus	1 1 8
+par__argfile_plus	1 1 9
+par__argfile_plus	2 2 7
+par__argfile_plus	2 2 8
+par__argfile_plus	2 2 9
+par__argfile_plus	3 3 7
+par__argfile_plus	3 3 8
+par__argfile_plus	3 3 9
+par__argfile_plus	-- -a file ./+file ./++file
+par__argfile_plus	1 4 7
+par__argfile_plus	1 4 8
+par__argfile_plus	1 4 9
+par__argfile_plus	1 5 7
+par__argfile_plus	1 5 8
+par__argfile_plus	1 5 9
+par__argfile_plus	1 6 7
+par__argfile_plus	1 6 8
+par__argfile_plus	1 6 9
+par__argfile_plus	2 4 7
+par__argfile_plus	2 4 8
+par__argfile_plus	2 4 9
+par__argfile_plus	2 5 7
+par__argfile_plus	2 5 8
+par__argfile_plus	2 5 9
+par__argfile_plus	2 6 7
+par__argfile_plus	2 6 8
+par__argfile_plus	2 6 9
+par__argfile_plus	3 4 7
+par__argfile_plus	3 4 8
+par__argfile_plus	3 4 9
+par__argfile_plus	3 5 7
+par__argfile_plus	3 5 8
+par__argfile_plus	3 5 9
+par__argfile_plus	3 6 7
+par__argfile_plus	3 6 8
+par__argfile_plus	3 6 9
+par__argfile_plus	:::: file +file ++file
+par__argfile_plus	parallel: Error: It is unclear whether you mean +./file or ./+file
+par__argfile_plus	:::: file +./file ++file
+par__argfile_plus	parallel: Error: It is unclear whether you mean +./+file or ./++file
+par__argfile_plus	:::: file ./+file ++file
+par__argfile_plus	parallel: Error: It is unclear whether you mean +./+file or ./++file
+par__argfile_plus	:::: file +file +./+file
+par__argfile_plus	parallel: Error: It is unclear whether you mean +./file or ./+file
+par__argfile_plus	:::: file +./file +./+file
+par__argfile_plus	1 1 4
+par__argfile_plus	2 2 5
+par__argfile_plus	3 3 6
+par__argfile_plus	:::: file ./+file +./+file
+par__argfile_plus	1 4 4
+par__argfile_plus	1 5 5
+par__argfile_plus	1 6 6
+par__argfile_plus	2 4 4
+par__argfile_plus	2 5 5
+par__argfile_plus	2 6 6
+par__argfile_plus	3 4 4
+par__argfile_plus	3 5 5
+par__argfile_plus	3 6 6
+par__argfile_plus	:::: file +file ./++file
+par__argfile_plus	parallel: Error: It is unclear whether you mean +./file or ./+file
+par__argfile_plus	:::: file +./file ./++file
+par__argfile_plus	1 1 7
+par__argfile_plus	1 1 8
+par__argfile_plus	1 1 9
+par__argfile_plus	2 2 7
+par__argfile_plus	2 2 8
+par__argfile_plus	2 2 9
+par__argfile_plus	3 3 7
+par__argfile_plus	3 3 8
+par__argfile_plus	3 3 9
+par__argfile_plus	:::: file ./+file ./++file
+par__argfile_plus	1 4 7
+par__argfile_plus	1 4 8
+par__argfile_plus	1 4 9
+par__argfile_plus	1 5 7
+par__argfile_plus	1 5 8
+par__argfile_plus	1 5 9
+par__argfile_plus	1 6 7
+par__argfile_plus	1 6 8
+par__argfile_plus	1 6 9
+par__argfile_plus	2 4 7
+par__argfile_plus	2 4 8
+par__argfile_plus	2 4 9
+par__argfile_plus	2 5 7
+par__argfile_plus	2 5 8
+par__argfile_plus	2 5 9
+par__argfile_plus	2 6 7
+par__argfile_plus	2 6 8
+par__argfile_plus	2 6 9
+par__argfile_plus	3 4 7
+par__argfile_plus	3 4 8
+par__argfile_plus	3 4 9
+par__argfile_plus	3 5 7
+par__argfile_plus	3 5 8
+par__argfile_plus	3 5 9
+par__argfile_plus	3 6 7
+par__argfile_plus	3 6 8
+par__argfile_plus	3 6 9
+par__argfile_plus	-- -a ./file ./++file -
+par__argfile_plus	1 7 10
+par__argfile_plus	1 7 11
+par__argfile_plus	1 7 12
+par__argfile_plus	1 8 10
+par__argfile_plus	1 8 11
+par__argfile_plus	1 8 12
+par__argfile_plus	1 9 10
+par__argfile_plus	1 9 11
+par__argfile_plus	1 9 12
+par__argfile_plus	2 7 10
+par__argfile_plus	2 7 11
+par__argfile_plus	2 7 12
+par__argfile_plus	2 8 10
+par__argfile_plus	2 8 11
+par__argfile_plus	2 8 12
+par__argfile_plus	2 9 10
+par__argfile_plus	2 9 11
+par__argfile_plus	2 9 12
+par__argfile_plus	3 7 10
+par__argfile_plus	3 7 11
+par__argfile_plus	3 7 12
+par__argfile_plus	3 8 10
+par__argfile_plus	3 8 11
+par__argfile_plus	3 8 12
+par__argfile_plus	3 9 10
+par__argfile_plus	3 9 11
+par__argfile_plus	3 9 12
+par__argfile_plus	-- -a ./file +./+file +-
+par__argfile_plus	1 4 10
+par__argfile_plus	2 5 11
+par__argfile_plus	3 6 12
+par__argfile_plus	-- -a ./file +- ./+file
+par__argfile_plus	1 10 4
+par__argfile_plus	1 10 5
+par__argfile_plus	1 10 6
+par__argfile_plus	2 11 4
+par__argfile_plus	2 11 5
+par__argfile_plus	2 11 6
+par__argfile_plus	3 12 4
+par__argfile_plus	3 12 5
+par__argfile_plus	3 12 6
 par__parset_assoc_arr	bash@lo	parset into an assoc array
 par__parset_assoc_arr	bash@lo	val  1 val  2 val  3
 par__parset_assoc_arr	bash@lo	val  1 val  2 val  3

testsuite/wanted-results/parallel-tutorial

@@ -8,7 +8,6 @@
   160d3159 9480cf5c a101512f 150b7ac0 206a65dc 86f2bb6b bdf1a2bc 96bc6d06
   7f8237c2 0964b67f bccf8a93 332528fa 11e5ab43 2a6226a6 ceb197ab 7f03c061
   $ bash install.sh
-/usr/bin/bash: -c: line 1: syntax error near unexpected token `)'
 /usr/bin/bash: -c: line 1: `     fetch -o - http://pi.dk/3 ) > install.sh'
   parallel -k echo ::: A B C > abc-file
   parallel -k echo ::: D E F > def-file
@@ -23,7 +22,6 @@ sleep .3
 /usr/bin/bash: -c: line 3: syntax error: unexpected end of file
 sleep .3
    perl -e 'for(1..10){print "$_\n"}') > num_%header
-/usr/bin/bash: -c: line 1: syntax error near unexpected token `)'
 /usr/bin/bash: -c: line 1: `   perl -e 'for(1..10){print "$_\n"}') > num_%header'
   perl -e 'print "HHHHAAABBBCCC"' > fixedlen
   parallel echo ::: A B C
@@ -351,7 +349,6 @@ foo
   perl -e 'print "@ARGV\n"'
   [CTRL-D]
 /usr/bin/bash: line 2: Warning:: command not found
-/usr/bin/bash: -c: line 3: syntax error near unexpected token `('
 /usr/bin/bash: -c: line 3: `  Warning: are doing (in which case: YOU ARE AWESOME!) or you forgot'
   parallel --trim r echo pre-{}-post ::: ' A '
 pre- A-post
@@ -364,26 +361,6 @@ pre-A-post
 =bash
 =ls
   parallel 'set a="{}"; if( { test -d "$a" } ) echo "$a is a dir"' ::: *
-/usr/bin/bash: -c: line 1: syntax error near unexpected token `)'
-/usr/bin/bash: -c: line 1: `set a="abc-file"; if( { test -d "$a" } ) echo "$a is a dir"'
-/usr/bin/bash: -c: line 1: syntax error near unexpected token `)'
-/usr/bin/bash: -c: line 1: `set a="abc0-file"; if( { test -d "$a" } ) echo "$a is a dir"'
-/usr/bin/bash: -c: line 1: syntax error near unexpected token `)'
-/usr/bin/bash: -c: line 1: `set a="abc_-file"; if( { test -d "$a" } ) echo "$a is a dir"'
-/usr/bin/bash: -c: line 1: syntax error near unexpected token `)'
-/usr/bin/bash: -c: line 1: `set a="def-file"; if( { test -d "$a" } ) echo "$a is a dir"'
-/usr/bin/bash: -c: line 1: syntax error near unexpected token `)'
-/usr/bin/bash: -c: line 1: `set a="fixedlen"; if( { test -d "$a" } ) echo "$a is a dir"'
-/usr/bin/bash: -c: line 1: syntax error near unexpected token `)'
-/usr/bin/bash: -c: line 1: `set a="num1000000"; if( { test -d "$a" } ) echo "$a is a dir"'
-/usr/bin/bash: -c: line 1: syntax error near unexpected token `)'
-/usr/bin/bash: -c: line 1: `set a="num30000"; if( { test -d "$a" } ) echo "$a is a dir"'
-/usr/bin/bash: -c: line 1: syntax error near unexpected token `)'
-/usr/bin/bash: -c: line 1: `set a="num8"; if( { test -d "$a" } ) echo "$a is a dir"'
-/usr/bin/bash: -c: line 1: syntax error near unexpected token `)'
-/usr/bin/bash: -c: line 1: `set a="outdir"; if( { test -d "$a" } ) echo "$a is a dir"'
-/usr/bin/bash: -c: line 1: syntax error near unexpected token `)'
-/usr/bin/bash: -c: line 1: `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
@@ -644,21 +621,17 @@ 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 $SERVER1 \
     cat common_file\; echo {} ::: foo
@@ -1107,7 +1080,6 @@ Warning: unknown mime-type for "Arguments @ARGV\n" -- using "application/octet-s
 Error: no such file "Arguments @ARGV\n"
   #!/usr/bin/parallel --shebang-wrap /usr/bin/python
   print 'Arguments', str(sys.argv)
-/usr/bin/bash: -c: line 4: syntax error near unexpected token `('
 /usr/bin/bash: -c: line 4: `  print 'Arguments', str(sys.argv)'
   #!/usr/bin/parallel --shebang-wrap /bin/bash
   echo Arguments "$@"
@@ -1121,11 +1093,9 @@ Arguments
   #!/usr/bin/parallel --shebang-wrap /usr/bin/Rscript --vanilla --slave
   args <- commandArgs(trailingOnly = TRUE)
   print(paste("Arguments ",args))
-/usr/bin/bash: -c: line 3: syntax error near unexpected token `('
 /usr/bin/bash: -c: line 3: `  args <- commandArgs(trailingOnly = TRUE)'
   #!/usr/bin/parallel --shebang-wrap ARG={} /usr/bin/gnuplot
   print "Arguments ", system('echo $ARG')
-/usr/bin/bash: -c: line 3: syntax error near unexpected token `('
 /usr/bin/bash: -c: line 3: `  print "Arguments ", system('echo $ARG')'
   #!/usr/bin/parallel --shebang-wrap /usr/bin/ruby
   print "Arguments "
@@ -1140,7 +1110,6 @@ Error: no such file "Arguments "
     printf (" %s", arg_list{i});
   endfor
   printf ("\n");
-/usr/bin/bash: -c: line 3: syntax error near unexpected token `"Arguments"'
 /usr/bin/bash: -c: line 3: `  printf ("Arguments");'
   #!/usr/bin/parallel --shebang-wrap /usr/bin/clisp
   (format t "~&~S~&" 'Arguments)
@@ -1158,12 +1127,10 @@ Error: no such file "Arguments "
   ?>
 Arguments
 /usr/bin/bash: line 2: ?php: No such file or directory
-/usr/bin/bash: -c: line 4: syntax error near unexpected token `array_slice'
 /usr/bin/bash: -c: line 4: `  foreach(array_slice($argv,1) as $v)'
   #!/usr/bin/parallel --shebang-wrap /usr/bin/node
   var myArgs = process.argv.slice(2);
   console.log('Arguments ', myArgs);
-/usr/bin/bash: -c: line 1: syntax error near unexpected token `('
 /usr/bin/bash: -c: line 1: `  var myArgs = process.argv.slice(2);'
   #!/usr/bin/parallel --shebang-wrap /usr/bin/lua
   io.write "Arguments"
@@ -1173,12 +1140,10 @@ Arguments
   end
   print(")
 /usr/bin/bash: line 3: io.write: command not found
-/usr/bin/bash: -c: line 4: syntax error near unexpected token `='
 /usr/bin/bash: -c: line 4: `  for a = 1, #arg do'
   #!/usr/bin/parallel --shebang-wrap ARGV={} /usr/bin/csharp
   var argv = Environment.GetEnvironmentVariable("ARGV");
   print("Arguments "+argv);
-/usr/bin/bash: -c: line 3: syntax error near unexpected token `('
 /usr/bin/bash: -c: line 3: `  var argv = Environment.GetEnvironmentVariable("ARGV");'
   sem 'sleep 1; echo The first finished' &&
     echo The first is now running in the background &&