mirror of
https://git.savannah.gnu.org/git/parallel.git
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--arg-sep and ::: implemented.
This commit is contained in:
Ole Tange
parent
39d1c6bfa6
commit
ccd17d35c5
106
src/parallel
106
src/parallel
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@ -75,6 +75,29 @@ B<{.}> can be used the same places as B<{}>. The replacement string
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B<{.}> can be changed with B<-U>.
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=item B<:::> (beta testing)
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Use arguments on the command line as input instead of stdin (standard
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input). Unlike other options for GNU B<parallel> B<:::> is placed
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after the command and before the arguments.
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The following are equivalent:
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(echo file1; echo file2) | parallel gzip
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parallel gzip ::: file1 file2
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parallel gzip {} ::: file1 file2
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parallel --arg-sep ,, gzip {} ,, file1 file2
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parallel --arg-sep ,, gzip ,, file1 file2
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parallel ::: "gzip file1" "gzip file2"
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To avoid treating B<:::> as special use B<--arg-sep> to set the
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argument separator to something else. See also B<--arg-sep>.
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stdin (standard input) will be passed to the first process run.
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If B<--arg-file> is set arguments from that file will be appended.
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=item B<--null>
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=item B<-0>
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@ -88,14 +111,26 @@ for processing arguments that may contain \n (newline).
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=item B<-a> I<input-file>
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Read items from the file I<input-file> instead of standard input. If
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Read items from the file I<input-file> instead of stdin (standard input). If
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you use this option, stdin is given to the first process run.
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Otherwise, stdin is redirected from /dev/null.
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=item B<--basefile> I<file> (beta testing)
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=item B<--arg-sep> I<sep-str> (beta testing)
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=item B<-B> I<file> (beta testing)
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Use I<sep-str> instead of B<:::> as separator string. Useful if B<:::>
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is used for something else by the command.
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Also useful if you command uses B<:::> but you still want to read
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arguments from stdin (standard input): Simply change B<--arg-sep> to a
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string that is not in the command line.
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See also: B<:::>.
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=item B<--basefile> I<file>
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=item B<-B> I<file>
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I<file> will be transferred to each sshlogin before a jobs is
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started. It will be removed if B<--cleanup> is active. The file may be
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@ -165,7 +200,7 @@ If I<eof-str> is omitted, there is no end of file string. If neither
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B<-E> nor B<-e> is used, no end of file string is used.
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=item B<--eta> (beta testing)
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=item B<--eta>
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Show the estimated number of seconds before finishing. This forces GNU
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B<parallel> to read all jobs before starting to find the number of
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@ -197,9 +232,9 @@ B<-g> is the default. Can be reversed with B<-u>.
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Print a summary of the options to GNU B<parallel> and exit.
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=item B<--halt-on-error> <0|1|2> (beta testing)
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=item B<--halt-on-error> <0|1|2>
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=item B<-H> <0|1|2> (beta testing)
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=item B<-H> <0|1|2>
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=over 3
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@ -394,7 +429,7 @@ default.
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=item B<-r>
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If the standard input only contains whitespace, do not run the command.
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If the stdin (standard input) only contains whitespace, do not run the command.
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=item B<--return> I<filename>
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@ -452,9 +487,9 @@ operating system and the B<-s> option. Pipe the input from /dev/null
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to do anything.
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=item B<-S> I<[ncpu/]sshlogin[,[ncpu/]sshlogin[,...]]> (beta testing)
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=item B<-S> I<[ncpu/]sshlogin[,[ncpu/]sshlogin[,...]]>
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=item B<--sshlogin> I<[ncpu/]sshlogin[,[ncpu/]sshlogin[,...]]> (beta testing)
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=item B<--sshlogin> I<[ncpu/]sshlogin[,[ncpu/]sshlogin[,...]]>
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Distribute jobs to remote servers. The jobs will be run on a list of
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remote servers. GNU B<parallel> will determine the number of CPU
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@ -482,7 +517,7 @@ The remote host must have GNU B<parallel> installed.
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B<--sshlogin> is known to cause problems with B<-m> and B<-X>.
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=item B<--sshloginfile> I<filename> (beta testing)
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=item B<--sshloginfile> I<filename>
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File with sshlogins. The file consists of sshlogins on separate
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lines. Empty lines and lines starting with '#' are ignored. Example:
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@ -744,6 +779,10 @@ job per CPU core in parallel:
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B<ls *.gz | parallel -j+0 "zcat {} | bzip2 >>B<{.}.bz2 && rm {}">
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Convert all WAV files to MP3 using LAME:
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B<find sounddir -type f -name '*.wav' | parallel -j+0 lame {} -o {.}.mp3>
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=head1 EXAMPLE: Removing two file extensions when processing files and
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calling GNU Parallel from itself
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@ -752,7 +791,7 @@ If you have directory with tar.gz files and want these extracted in
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the corresponding dir (e.g foo.tar.gz will be extracted in the dir
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foo) you can do:
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B<ls *.tar.gz| parallel -U /// 'echo ///|parallel "mkdir -p {.} ; tar -C {.} -xf {.}.tar.gz"'>
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B<ls *.tar.gz| parallel -U {tar} 'echo {tar}|parallel "mkdir -p {.} ; tar -C {.} -xf {.}.tar.gz"'>
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=head1 EXAMPLE: Rewriting a for-loop and a while-loop
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@ -1448,6 +1487,25 @@ B<seq 1 19 | parallel -j+0 buffon -o - | sort -n >>B< result>
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B<cat files | parallel -j+0 cmd>
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=head2 DIFFERENCES BETWEEN ClusterSSH AND GNU Parallel
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ClusterSSH solves a different problem than GNU B<parallel>.
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ClusterSSH runs the same command with the same arguments on a list of
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machines - one per machine. This is typically used for administrating
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several machines that are almost identical.
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GNU B<parallel> runs the same (or different) commands with different
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arguments in parallel possibly using remote machines to help
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computing. If more than one machine is listed in -S GNU B<parallel> may
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only use one of these (e.g. if there are 8 jobs to be run and one
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machine has 8 cores).
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GNU B<parallel> can be used as a poor-mans version of ClusterSSH:
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B<cat hostlist | parallel ssh {} do_stuff>
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=head1 BUGS
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Filenames beginning with '-' can cause some commands to give
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@ -1619,7 +1677,7 @@ if($::opt_halt_on_error) {
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sub parse_options {
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# Returns: N/A
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# Defaults:
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$Global::version = 20100620;
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$Global::version = 20100705;
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$Global::progname = 'parallel';
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$Global::debug = 0;
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$Global::verbose = 0;
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@ -1638,6 +1696,7 @@ sub parse_options {
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$Global::halt_on_error_exitstatus = 0;
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$Global::total_jobs = 0;
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$Global::eta = 0;
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$Global::arg_sep = ":::";
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Getopt::Long::Configure ("bundling","require_order");
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# Add options from .parallelrc
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@ -1683,6 +1742,7 @@ sub parse_options {
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"halt-on-error|H=s" => \$::opt_halt_on_error,
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"progress" => \$::opt_progress,
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"eta" => \$::opt_eta,
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"arg-sep|argsep=s" => \$::opt_arg_sep,
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# xargs-compatibility - implemented, man, unittest
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"max-procs|P=s" => \$::opt_P,
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"delimiter|d=s" => \$::opt_d,
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@ -1729,6 +1789,7 @@ sub parse_options {
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}
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if(defined $::opt_n and $::opt_n) { $Global::max_number_of_args = $::opt_n; }
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if(defined $::opt_help) { die_usage(); }
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if(defined $::opt_arg_sep) { $Global::arg_sep = $::opt_arg_sep; }
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if(defined $::opt_number_of_cpus) { print no_of_cpus(),"\n"; exit(0); }
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if(defined $::opt_number_of_cores) { print no_of_cores(),"\n"; exit(0); }
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if(defined $::opt_max_line_length_allowed) { print real_max_length(),"\n"; exit(0); }
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@ -1750,8 +1811,29 @@ sub parse_options {
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# so default to -X
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$Global::Xargs = 1;
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}
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if(grep /^$Global::arg_sep$/o, @ARGV) {
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# Arguments on the command line.
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# Ignore STDIN by reading from /dev/null
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# or another file if user has given --arg-file
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$::opt_a ||= "/dev/null";
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# Input: @ARGV = command option ::: arg arg arg
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my @new_argv = ();
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while(@ARGV) {
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my $arg = shift @ARGV;
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if($arg =~ /^$Global::arg_sep$/o) {
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unget_arg(@ARGV);
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@ARGV=();
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} else {
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push @new_argv, $arg;
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}
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}
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# Output: @ARGV = command option
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@ARGV=@new_argv;
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}
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if(defined $::opt_a) {
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# must be done after opt_arg_sep
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if(not open(ARGFILE,"<",$::opt_a)) {
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print STDERR "$Global::progname: ".
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"Cannot open input file `$::opt_a': ".
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32
unittest/actual-results/test25
Normal file
32
unittest/actual-results/test25
Normal file
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@ -0,0 +1,32 @@
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### Test basic --arg-sep
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a
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b
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### Run commands using --arg-sep
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echo a
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a
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echo b
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b
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### Change --arg-sep
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echo a
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a
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echo b
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b
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echo a
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a
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echo b
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b
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### Test stdin goes to first command only
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cat -
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via first cat
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cat -
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cat
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via cat
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echo b
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b
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cat
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via cat
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echo b
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b
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echo a
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a
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cat
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@ -1,72 +1,75 @@
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#!/bin/bash
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PAR=parallel
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# Test {.}
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echo '### Test weird regexp chars'
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seq 1 6 | $PAR -j1 -I :: -X echo a::b::^c::[.}c
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seq 1 6 | parallel -j1 -I :: -X echo a::b::^c::[.}c
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rsync -Ha --delete input-files/testdir2/ tmp/
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cd tmp
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echo '### Test {.} and {}'
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find . -name '*.jpg' | $PAR -j +0 convert -geometry 120 {} {.}_thumb.jpg
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find . -name '*.jpg' | parallel -j +0 convert -geometry 120 {} {.}_thumb.jpg
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echo '### Test {.} with files that have no . but dir does'
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mkdir -p /tmp/test-of-{.}-parallel/subdir
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touch /tmp/test-of-{.}-parallel/subdir/file
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touch /tmp/test-of-{.}-parallel/subdir/file{.}.funkyextension}}
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find /tmp/test-of-{.}-parallel -type f | $PAR echo {.} | sort
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find /tmp/test-of-{.}-parallel -type f | parallel echo {.} | sort
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rm -rf /tmp/test-of-{.}-parallel/subdir
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find -type f | $PAR -k diff {} a/foo ">"{.}.diff
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ls | $PAR -kvg "ls {}|wc;echo {}"
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ls | $PAR -kj500 'sleep 1; ls {} | perl -ne "END{print $..\" {}\n\"}"'
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ls | $PAR -kgj500 'sleep 1; ls {} | perl -ne "END{print $..\" {}\n\"}"'
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find -type f | parallel -k diff {} a/foo ">"{.}.diff
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ls | parallel -kvg "ls {}|wc;echo {}"
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ls | parallel -kj500 'sleep 1; ls {} | perl -ne "END{print $..\" {}\n\"}"'
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ls | parallel -kgj500 'sleep 1; ls {} | perl -ne "END{print $..\" {}\n\"}"'
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mkdir 1-col 2-col
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ls | $PAR -kv touch -- {.}/abc-{.}-{} 2>&1
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ls | $PAR -kv rm -- {.}/abc-{.}-{} 2>&1
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#test05.sh:find . -type d -print0 | perl -0 -pe 's:^./::' | $PAR -0 -v touch -- {}/abc-{}-{} 2>&1 \
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#test05.sh:find . -type d -print0 | perl -0 -pe 's:^./::' | $PAR -0 -v rm -- {}/abc-{}-{} 2>&1 \
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#test05.sh:find . -type d -print0 | perl -0 -pe 's:^./::' | $PAR -0 -v rmdir -- {} 2>&1 \
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ls | parallel -kv touch -- {.}/abc-{.}-{} 2>&1
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ls | parallel -kv rm -- {.}/abc-{.}-{} 2>&1
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#test05.sh:find . -type d -print0 | perl -0 -pe 's:^./::' | parallel -0 -v touch -- {}/abc-{}-{} 2>&1 \
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#test05.sh:find . -type d -print0 | perl -0 -pe 's:^./::' | parallel -0 -v rm -- {}/abc-{}-{} 2>&1 \
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#test05.sh:find . -type d -print0 | perl -0 -pe 's:^./::' | parallel -0 -v rmdir -- {} 2>&1 \
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echo '### Test -m'
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(echo foo;echo bar;echo joe.gif) | $PAR -km echo 1{}2{.}3 A{.}B{.}C
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(echo foo;echo bar;echo joe.gif) | $PAR -kX echo 1{}2{.}3 A{.}B{.}C
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seq 1 6 | $PAR -k printf '{}.gif\\n' | $PAR -km echo a{}b{.}c{.}
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seq 1 6 | $PAR -k printf '{}.gif\\n' | $PAR -kX echo a{}b{.}c{.}
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(echo foo;echo bar;echo joe.gif) | parallel -km echo 1{}2{.}3 A{.}B{.}C
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(echo foo;echo bar;echo joe.gif) | parallel -kX echo 1{}2{.}3 A{.}B{.}C
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seq 1 6 | parallel -k printf '{}.gif\\n' | parallel -km echo a{}b{.}c{.}
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seq 1 6 | parallel -k printf '{}.gif\\n' | parallel -kX echo a{}b{.}c{.}
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echo '### Test -m with 60000 args'
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seq 1 60000 | perl -pe 's/$/.gif\n/' | $PAR -km echo a{}b{.}c{.} | mop -d 4 "|md5sum" "| wc"
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seq 1 60000 | perl -pe 's/$/.gif\n/' | parallel -km echo a{}b{.}c{.} | mop -d 4 "|md5sum" "| wc"
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echo '### Test -X with 60000 args'
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seq 1 60000 | perl -pe 's/$/.gif\n/' | $PAR -kX echo a{}b{.}c{.} | mop -d 4 "|md5sum" "| wc"
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seq 1 60000 | perl -pe 's/$/.gif\n/' | parallel -kX echo a{}b{.}c{.} | mop -d 4 "|md5sum" "| wc"
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echo '### Test -X with 60000 args and 5 expansions'
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seq 1 60000 | perl -pe 's/$/.gif\n/' | $PAR -kX echo a{}b{.}c{.}{.}{} | wc -l
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seq 1 60000 | perl -pe 's/$/.gif\n/' | $PAR -kX echo a{}b{.}c{.}{.} | wc -l
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seq 1 60000 | perl -pe 's/$/.gif\n/' | $PAR -kX echo a{}b{.}c{.} | wc -l
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seq 1 60000 | perl -pe 's/$/.gif\n/' | $PAR -kX echo a{}b{.}c | wc -l
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seq 1 60000 | perl -pe 's/$/.gif\n/' | $PAR -kX echo a{}b | wc -l
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seq 1 60000 | perl -pe 's/$/.gif\n/' | parallel -kX echo a{}b{.}c{.}{.}{} | wc -l
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seq 1 60000 | perl -pe 's/$/.gif\n/' | parallel -kX echo a{}b{.}c{.}{.} | wc -l
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seq 1 60000 | perl -pe 's/$/.gif\n/' | parallel -kX echo a{}b{.}c{.} | wc -l
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seq 1 60000 | perl -pe 's/$/.gif\n/' | parallel -kX echo a{}b{.}c | wc -l
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seq 1 60000 | perl -pe 's/$/.gif\n/' | parallel -kX echo a{}b | wc -l
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echo '### Test {.} does not repeat more than {}'
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seq 1 15 | perl -pe 's/$/.gif\n/' | parallel -s 80 -kX echo a{}b{.}c{.}
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seq 1 15 | perl -pe 's/$/.gif\n/' | parallel -s 80 -km echo a{}b{.}c{.}
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seq 1 15 | perl -pe 's/$/.gif/' | parallel -s 80 -kX echo a{}b{.}c{.}
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seq 1 15 | perl -pe 's/$/.gif/' | parallel -s 80 -km echo a{}b{.}c{.}
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echo '### Test -I with shell meta chars'
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seq 1 60000 | $PAR -I :: -X echo a::b::c:: | wc -l
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seq 1 60000 | $PAR -I '<>' -X echo 'a<>b<>c<>' | wc -l
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seq 1 60000 | $PAR -I '<' -X echo 'a<b<c<' | wc -l
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seq 1 60000 | $PAR -I '>' -X echo 'a>b>c>' | wc -l
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seq 1 60000 | parallel -I :: -X echo a::b::c:: | wc -l
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seq 1 60000 | parallel -I '<>' -X echo 'a<>b<>c<>' | wc -l
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seq 1 60000 | parallel -I '<' -X echo 'a<b<c<' | wc -l
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seq 1 60000 | parallel -I '>' -X echo 'a>b>c>' | wc -l
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echo '### Test {.}'
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echo a | $PAR -qX echo "'"{.}"' "
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echo a | $PAR -qX echo "'{.}'"
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(echo "sleep 3; echo begin"; seq 1 30 | $PAR -kq echo "sleep 1; echo {.}"; echo "echo end") \
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| $PAR -k -j0
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echo a | parallel -qX echo "'"{.}"' "
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echo a | parallel -qX echo "'{.}'"
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(echo "sleep 3; echo begin"; seq 1 30 | parallel -kq echo "sleep 1; echo {.}"; echo "echo end") \
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| parallel -k -j0
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echo '### Test -I with -X and -m'
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seq 1 10 | $PAR -k 'seq 1 {.} | '$PAR' -k -I :: echo {.} ::'
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seq 1 10 | $PAR -k 'seq 1 {.} | '$PAR' -X -k -I :: echo a{.} b::'
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seq 1 10 | $PAR -k 'seq 1 {.} | '$PAR' -m -k -I :: echo a{.} b::'
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seq 1 10 | parallel -k 'seq 1 {.} | 'parallel' -k -I :: echo {.} ::'
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seq 1 10 | parallel -k 'seq 1 {.} | 'parallel' -X -k -I :: echo a{.} b::'
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seq 1 10 | parallel -k 'seq 1 {.} | 'parallel' -m -k -I :: echo a{.} b::'
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echo '### Test -i'
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(echo a; echo END; echo b) | $PAR -k -i -eEND echo repl{.}ce
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(echo a; echo END; echo b) | parallel -k -i -eEND echo repl{.}ce
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echo '### Test --replace'
|
||||
(echo a; echo END; echo b) | $PAR -k --replace -eEND echo repl{.}ce
|
||||
(echo a; echo END; echo b) | parallel -k --replace -eEND echo repl{.}ce
|
||||
echo '### Test -t'
|
||||
(echo b; echo c; echo f) | $PAR -k -t echo {.}ar 2>&1 >/dev/null
|
||||
(echo b; echo c; echo f) | parallel -k -t echo {.}ar 2>&1 >/dev/null
|
||||
echo '### Test --verbose'
|
||||
(echo b; echo c; echo f) | $PAR -k --verbose echo {.}ar 2>&1 >/dev/null
|
||||
(echo b; echo c; echo f) | parallel -k --verbose echo {.}ar 2>&1 >/dev/null
|
||||
|
|
|
|||
14
unittest/tests-to-run/test25.sh
Normal file
14
unittest/tests-to-run/test25.sh
Normal file
|
|
@ -0,0 +1,14 @@
|
|||
#!/bin/bash
|
||||
|
||||
echo '### Test basic --arg-sep'
|
||||
parallel -k echo ::: a b
|
||||
echo '### Run commands using --arg-sep'
|
||||
parallel -kv ::: 'echo a' 'echo b'
|
||||
echo '### Change --arg-sep'
|
||||
parallel --arg-sep ::: -kv ::: 'echo a' 'echo b'
|
||||
parallel --arg-sep .--- -kv .--- 'echo a' 'echo b'
|
||||
echo '### Test stdin goes to first command only'
|
||||
echo via first cat |parallel -kv cat ::: - -
|
||||
echo via cat |parallel --arg-sep .--- -kv .--- 'cat' 'echo b'
|
||||
echo via cat |parallel -kv ::: 'cat' 'echo b'
|
||||
echo no output |parallel -kv ::: 'echo a' 'cat'
|
||||
|
|
@ -74,6 +74,21 @@ a1.gifb1c1 a2.gifb2c2 a3.gifb3c3 a4.gifb4c4 a5.gifb5c5 a6.gifb6c6
|
|||
13
|
||||
10
|
||||
7
|
||||
### Test {.} does not repeat more than {}
|
||||
a1.gifb1c1 abc a2.gifb2c2 abc a3.gifb3c3 abc a4.gifb4c4 abc a5.gifb5c5 abc
|
||||
a6.gifb6c6 abc a7.gifb7c7 abc a8.gifb8c8 abc a9.gifb9c9 abc a10.gifb10c10
|
||||
abc a11.gifb11c11 abc a12.gifb12c12 abc a13.gifb13c13 abc a14.gifb14c14
|
||||
abc a15.gifb15c15 abc
|
||||
a1.gif 2.gif 3.gif 4.gif 5.gif b1 2 3 4 5 6c1 2 3 4 5 6
|
||||
a6.gif 7.gif 8.gif 9.gif 10.gif b6 7 8 9 10 11c6 7 8 9 10 11
|
||||
a11.gif 12.gif 13.gif 14.gif b11 12 13 14 15c11 12 13 14 15
|
||||
a15.gif b15 c15
|
||||
a1.gifb1c1 a2.gifb2c2 a3.gifb3c3 a4.gifb4c4 a5.gifb5c5 a6.gifb6c6
|
||||
a7.gifb7c7 a8.gifb8c8 a9.gifb9c9 a10.gifb10c10 a11.gifb11c11 a12.gifb12c12
|
||||
a13.gifb13c13 a14.gifb14c14 a15.gifb15c15
|
||||
a1.gif 2.gif 3.gif 4.gif 5.gif 6.gif 7.gifb1 2 3 4 5 6 7 8c1 2 3 4 5 6 7 8
|
||||
a8.gif 9.gif 10.gif 11.gif 12.gif 13.gifb8 9 10 11 12 13 14c8 9 10 11 12 13 14
|
||||
a14.gif 15.gifb14 15c14 15
|
||||
### Test -I with shell meta chars
|
||||
9
|
||||
9
|
||||
|
|
|
|||
32
unittest/wanted-results/test25
Normal file
32
unittest/wanted-results/test25
Normal file
|
|
@ -0,0 +1,32 @@
|
|||
### Test basic --arg-sep
|
||||
a
|
||||
b
|
||||
### Run commands using --arg-sep
|
||||
echo a
|
||||
a
|
||||
echo b
|
||||
b
|
||||
### Change --arg-sep
|
||||
echo a
|
||||
a
|
||||
echo b
|
||||
b
|
||||
echo a
|
||||
a
|
||||
echo b
|
||||
b
|
||||
### Test stdin goes to first command only
|
||||
cat -
|
||||
via first cat
|
||||
cat -
|
||||
cat
|
||||
via cat
|
||||
echo b
|
||||
b
|
||||
cat
|
||||
via cat
|
||||
echo b
|
||||
b
|
||||
echo a
|
||||
a
|
||||
cat
|
||||
Loading…
Reference in a new issue