mirror of
https://git.savannah.gnu.org/git/parallel.git
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parallel: --pipe engine changed making --pipe alpha quality.
This commit is contained in:
Ole Tange
parent
a86a786189
commit
48e29256e2
25
NEWS
25
NEWS
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@ -1,3 +1,28 @@
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20201222
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* --pipe engine changed making --pipe alpha quality.
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* --results -.json outputs results as JSON objects on stdout (standard
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output).
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* --delay 123auto will auto-adjust --delay. If jobs fail due to being
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spawned too quickly, --delay will exponentially increase.
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* Bug fixes and man page updates.
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News about GNU Parallel:
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* Best practices for accelerating data migrations using AWS Snowball
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Edge
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https://aws.amazon.com/blogs/storage/best-practices-for-accelerating-data-migrations-using-aws-snowball-edge/
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* Pass the Output of a Command as an Argument for Another
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https://www.baeldung.com/linux/pass-cmd-output-as-an-argument
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* Warwick RSE Drop-in - Workflow Management Part 2 - GNU Parallel
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https://www.youtube.com/watch?v=t_v2Otgt87g
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20201122
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* Bug fixes and man page updates.
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@ -1,8 +1,12 @@
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Quote of the month:
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GNU Parallel is my single favourite tool for batch processing data
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from the command line.
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-- Jeff Wintersinger @jwintersinger
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Today I'm grateful for GNU parallel, especially with the --colsep and
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--jobs parameters #GiveThanks
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Erin Young @ErinYoun
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-- Erin Young @ErinYoun
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I also prefer gnu parallel. Mainly because it makes embarrassingly
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parallel tasks embarrassingly easy to run on the command line.
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@ -190,7 +190,7 @@ from:tange@gnu.org
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to:parallel@gnu.org, bug-parallel@gnu.org
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stable-bcc: Jesse Alama <jessealama@fastmail.fm>
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Subject: GNU Parallel 20201222 ('Maradona/Yeager') released <<[stable]>>
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Subject: GNU Parallel 20201222 ('Vaccine/Maradona/Yeager/Le Carre') released <<[stable]>>
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GNU Parallel 20201222 ('') <<[stable]>> has been released. It is available for download at: http://ftpmirror.gnu.org/parallel/
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@ -206,16 +206,17 @@ Quote of the month:
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New in this release:
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<<>>
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https://www.youtube.com/watch?v=t_v2Otgt87g
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* Bug fixes and man page updates.
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News about GNU Parallel:
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https://aws.amazon.com/blogs/storage/best-practices-for-accelerating-data-migrations-using-aws-snowball-edge/
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* Best practices for accelerating data migrations using AWS Snowball Edge https://aws.amazon.com/blogs/storage/best-practices-for-accelerating-data-migrations-using-aws-snowball-edge/
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* Pass the Output of a Command as an Argument for Another https://www.baeldung.com/linux/pass-cmd-output-as-an-argument
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* Warwick RSE Drop-in - Workflow Management Part 2 - GNU Parallel https://www.youtube.com/watch?v=t_v2Otgt87g
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Get the book: GNU Parallel 2018 http://www.lulu.com/shop/ole-tange/gnu-parallel-2018/paperback/product-23558902.html
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112
src/parallel
112
src/parallel
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@ -1292,7 +1292,6 @@ sub nindex($$) {
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$job->set_block($header_ref, $buffer_ref,
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$endpos, $recstart, $recend);
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$block_passed = 1;
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$job->set_virgin(0);
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$written += $job->non_blocking_write();
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last;
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}
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@ -1355,7 +1354,7 @@ sub rindex64($@) {
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# Default: search from end
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$pos = defined $pos ? $pos : $strlen;
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# No point in doing extra work if we don't need to.
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if($strlen < $block_size) {
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if($strlen < $block_size or $] > 5.022) {
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return rindex($$ref, $match, $pos);
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}
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@ -1433,42 +1432,8 @@ sub write_record_to_pipe($$$$$$) {
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start_more_jobs();
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}
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my $job = shift @Global::virgin_jobs;
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# Job is no longer virgin
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$job->set_virgin(0);
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if($opt::retries) {
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# Copy $buffer[0..$endpos] to $job->{'block'}
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# Remove rec_sep
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# Run $job->add_transfersize
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$job->set_block($header_ref, $buffer_ref, $endpos,
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$recstart, $recend);
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if(fork()) {
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# Skip
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} else {
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$job->write($job->block_ref());
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close $job->fh(0,"w");
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exit(0);
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}
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} else {
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# We ignore the removed rec_sep which is technically wrong.
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$job->add_transfersize($endpos + length $$header_ref);
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if(fork()) {
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# Skip
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} else {
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# Chop of at $endpos as we do not know how many rec_sep will
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# be removed.
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substr($$buffer_ref,$endpos,length $$buffer_ref) = "";
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# Remove rec_sep
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if($opt::remove_rec_sep) {
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Job::remove_rec_sep($buffer_ref, $recstart, $recend);
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}
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$job->write($header_ref);
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$job->write($buffer_ref);
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close $job->fh(0,"w");
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exit(0);
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}
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}
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close $job->fh(0,"w");
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$job->set_block($header_ref, $buffer_ref, $endpos, $recstart, $recend);
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$job->write_block();
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return 1;
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}
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@ -2179,7 +2144,7 @@ sub check_invalid_option_combinations() {
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sub init_globals() {
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# Defaults:
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$Global::version = 20201207;
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$Global::version = 20201212;
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$Global::progname = 'parallel';
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$::name = "GNU Parallel";
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$Global::infinity = 2**31;
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@ -3455,15 +3420,7 @@ sub init_run_jobs() {
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push(@Global::virgin_jobs,$job);
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} else {
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# Block already set: This is a retry
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if(fork()) {
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::debug("pipe","\n\nWriting ",length ${$job->block_ref()},
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" to ", $job->seq(),"\n");
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close $job->fh(0,"w");
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} else {
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$job->write($job->block_ref());
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close $job->fh(0,"w");
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exit(0);
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}
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$job->write_block();
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}
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}
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debug("start", "Started as seq ", $job->seq(),
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@ -8468,8 +8425,6 @@ sub filter_through_compress($) {
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}
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}
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sub set_fh($$$$) {
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# Set file handle
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my ($self, $fd_no, $key, $fh) = @_;
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@ -8482,6 +8437,32 @@ sub fh($) {
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return $self->{'fd'}{$fd_no,$key};
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}
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sub write_block($) {
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my $self = shift;
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my $stdin_fh = $self->fh(0,"w");
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if(fork()) {
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# Close in parent
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close $stdin_fh;
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} else {
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# If writing is to a closed pipe:
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# Do not call signal handler, but let nothing be written
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local $SIG{PIPE} = undef;
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for my $part (
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grep { defined $_ }
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$self->{'header'},$self->{'block'}) {
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# syswrite may not write all in one go,
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# so make sure everything is written.
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my $written;
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while($written = syswrite($stdin_fh,$$part)) {
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substr($$part,0,$written) = "";
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}
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}
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close $stdin_fh;
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exit(0);
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}
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}
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sub write($) {
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my $self = shift;
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my $remaining_ref = shift;
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@ -8514,22 +8495,37 @@ sub set_block($$$$$$) {
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# N/A
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my $self = shift;
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my ($header_ref,$buffer_ref,$endpos,$recstart,$recend) = @_;
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$self->{'block'} = ($self->virgin() ? $$header_ref : "").
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substr($$buffer_ref,0,$endpos);
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if($opt::remove_rec_sep) {
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remove_rec_sep(\$self->{'block'},$recstart,$recend);
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$self->{'header'} = $header_ref;
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if($opt::roundrobin or $opt::remove_rec_sep or $opt::retries) {
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my $a = "";
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if(($opt::roundrobin or $opt::retries) and $self->virgin()) {
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$a .= $$header_ref;
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}
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# Job is no longer virgin
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$self->set_virgin(0);
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# Make a full copy because $buffer will change
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$a .= substr($$buffer_ref,0,$endpos);
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$self->{'block'} = \$a;
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if($opt::remove_rec_sep) {
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remove_rec_sep($self->{'block'},$recstart,$recend);
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}
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$self->{'block_length'} = length ${$self->{'block'}};
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} else {
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$self->set_virgin(0);
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for(substr($$buffer_ref,0,$endpos)) {
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$self->{'block'} = \$_;
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}
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$self->{'block_length'} = $endpos + length ${$self->{'header'}};
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}
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$self->{'block_length'} = length $self->{'block'};
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$self->{'block_pos'} = 0;
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$self->add_transfersize($self->{'block_length'});
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}
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sub block_ref($) {
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my $self = shift;
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return \$self->{'block'};
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return $self->{'block'};
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}
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sub block_length($) {
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my $self = shift;
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return $self->{'block_length'};
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@ -8564,7 +8560,7 @@ sub non_blocking_write($) {
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my $in = $self->fh(0,"w");
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my $rv = syswrite($in,
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substr($self->{'block'},$self->{'block_pos'}));
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substr(${$self->{'block'}},$self->{'block_pos'}));
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if (!defined($rv) && $! == ::EAGAIN()) {
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# would block - but would have written
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$something_written = 0;
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@ -12,15 +12,14 @@ install_packages() {
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test_pkgs="$test_pkgs xterm libc6-i386 libcrypt1:i386"
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test_pkgs="$test_pkgs libtest-nowarnings-perl"
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# DEBIAN package
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# Debian package
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packaging_pkgs="dpkg-dev build-essential debhelper osc cvs automake-1.15"
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packaging_pkgs="$packaging_pkgs python3-m2crypto alien"
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# SHEBANG TOOLS
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# Shebang Tools
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shebang_pkgs="gnuplot octave ruby r-base-core"
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# BUILD TOOLS
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build_pkgs="bison"
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# SQL TOOLS
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# SQL Tools
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sql_pkgs="libdbd-pg-perl libdbd-sqlite3-perl libdbd-csv-perl"
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sql_pkgs="$sql_pkgs libdbd-mysql-perl rlwrap"
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@ -37,8 +36,8 @@ install_packages() {
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# Databases
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database_pkgs="postgresql mysql-server sqlite"
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# Build packages
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build_pkgs="libxxhash-dev libzstd-dev liblz4-dev libssl-dev"
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# Build Tools
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build_pkgs="bison libxxhash-dev libzstd-dev liblz4-dev libssl-dev"
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build_pkgs="$build_pkgs python3-cmarkgfm"
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sudo dpkg --add-architecture i386; sudo apt update
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@ -351,11 +350,13 @@ rsync_versions() {
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cd rsync-$1
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git reset --hard
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git checkout $1
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perl -i -pe 's/AC_DEFINE_UNQUOTED.HAVE_REMSH, .HAVE_REMSH./AC_DEFINE_UNQUOTED(HAVE_REMSH, \$HAVE_REMSH,[dummy])/;
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s/AC_DEFINE.HAVE_ERRNO_DECL.,/AC_DEFINE(HAVE_ERRNO_DECL,[1],[dummy]),/;
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s/AC_DEFINE.HAVE_FNMATCH.,/AC_DEFINE(HAVE_FNMATCH,[1],[dummy]),/;' configure.in
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autoreconf --install -W gnu
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make proto
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# Make "lib/addrinfo.h" ?
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LDFLAGS=-static ./configure &&
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make -j2 &&
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(make proto; make -j2) &&
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sudo cp rsync /usr/local/bin/rsync-$1
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}
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export -f make_one
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@ -232,13 +232,17 @@ par_delimiter() {
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par_argfile() {
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echo '### Test -a and --arg-file: Read input from file instead of stdin'
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seq 1 10 >/tmp/parallel_$$-1; parallel -k -a /tmp/parallel_$$-1 echo; rm /tmp/parallel_$$-1
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seq 1 10 >/tmp/parallel_$$-2; parallel -k --arg-file /tmp/parallel_$$-2 echo; rm /tmp/parallel_$$-2
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tmp=$(mktemp)
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seq 1 10 >$tmp
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parallel -k -a $tmp echo
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parallel -k --arg-file $tmp echo
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rm $tmp
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}
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par_pipe_unneeded_procs() {
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echo '### Test bug #34241: --pipe should not spawn unneeded processes'
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seq 3 | parallel -j30 --pipe --block-size 10 cat\;echo o 2> >(grep -Ev 'Warning: Starting|Warning: Consider')
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seq 3 |
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parallel -j30 --pipe --block-size 10 cat\;echo o 2> >(grep -Ev 'Warning: Starting|Warning: Consider')
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}
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par_results_arg_256() {
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@ -257,21 +261,28 @@ par_pipe_to_func() {
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echo pipefunc and more OK | parallel --pipe 'myfunc {#};echo and more OK'
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}
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par_roundrobin_k() {
|
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echo '### Test -k --round-robin'
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seq 1000000 | parallel -j4 -k --round-robin --pipe wc
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}
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par_pipepart_roundrobin() {
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echo '### bug #45769: --round-robin --pipepart gives wrong results'
|
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seq 10000 >/tmp/seq10000
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parallel -j2 --pipepart -a /tmp/seq10000 --block 14 --round-robin wc | wc -l
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rm /tmp/seq10000
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tmp=$(mktemp)
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seq 10000 >$tmp
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parallel -j2 --pipepart -a $tmp --block 14 --round-robin wc | wc -l
|
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rm $tmp
|
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}
|
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|
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par_pipepart_header() {
|
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echo '### bug #44614: --pipepart --header off by one'
|
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|
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seq 10 >/tmp/parallel_44616
|
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parallel --pipepart -a /tmp/parallel_44616 -k --block 5 'echo foo; cat'
|
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parallel --pipepart -a /tmp/parallel_44616 -k --block 2 --regexp --recend 3'\n' 'echo foo; cat'
|
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rm /tmp/parallel_44616
|
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tmp=$(mktemp)
|
||||
seq 10 >$tmp
|
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parallel --pipepart -a $tmp -k --block 5 'echo foo; cat'
|
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parallel --pipepart -a $tmp -k --block 2 --regexp --recend 3'\n' 'echo foo; cat'
|
||||
rm $tmp
|
||||
}
|
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|
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par_quote() {
|
||||
|
|
@ -297,9 +308,10 @@ par_read_from_stdin() {
|
|||
|
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par_total_from_joblog() {
|
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echo 'bug #47086: [PATCH] Initialize total_completed from joblog'
|
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rm -f /tmp/parallel-47086
|
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parallel -j1 --joblog /tmp/parallel-47086 --halt now,fail=1 echo '{= $_=$Global::total_completed =};exit {}' ::: 0 0 0 1 0 0
|
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parallel -j1 --joblog /tmp/parallel-47086 --halt now,fail=1 --resume echo '{= $_=$Global::total_completed =};exit {}' ::: 0 0 0 1 0 0
|
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tmp=$(mktemp)
|
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parallel -j1 --joblog $tmp --halt now,fail=1 echo '{= $_=$Global::total_completed =};exit {}' ::: 0 0 0 1 0 0
|
||||
parallel -j1 --joblog $tmp --halt now,fail=1 --resume echo '{= $_=$Global::total_completed =};exit {}' ::: 0 0 0 1 0 0
|
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rm $tmp
|
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}
|
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|
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par_xapply() {
|
||||
|
|
@ -430,9 +442,11 @@ par_empty_line() {
|
|||
|
||||
par_append_joblog() {
|
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echo '### can you append to a joblog using +'
|
||||
parallel --joblog /tmp/parallel_append_joblog echo ::: 1
|
||||
parallel --joblog +/tmp/parallel_append_joblog echo ::: 1
|
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wc -l /tmp/parallel_append_joblog
|
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tmp=$(mktemp)
|
||||
parallel --joblog $tmp echo ::: 1
|
||||
parallel --joblog +$tmp echo ::: 1
|
||||
wc -l < $tmp
|
||||
rm $tmp
|
||||
}
|
||||
|
||||
par_file_ending_in_newline() {
|
||||
|
|
@ -441,7 +455,7 @@ par_file_ending_in_newline() {
|
|||
echo >/tmp/parallel_f2'
|
||||
'
|
||||
echo /tmp/parallel_f1 /tmp/parallel_f2 |
|
||||
stdout parallel -kv --delimiter ' ' gzip
|
||||
stdout parallel -kv --delimiter ' ' gzip
|
||||
rm /tmp/parallel_f*
|
||||
}
|
||||
|
||||
|
|
@ -606,11 +620,12 @@ par_pipe_tag_v() {
|
|||
|
||||
par_dryrun_append_joblog() {
|
||||
echo '--dry-run should not append to joblog'
|
||||
rm -f /tmp/jl.$$
|
||||
parallel -k --jl /tmp/jl.$$ echo ::: 1 2 3
|
||||
parallel --dryrun -k --jl +/tmp/jl.$$ echo ::: 1 2 3 4
|
||||
tmp=$(mktemp)
|
||||
parallel -k --jl $tmp echo ::: 1 2 3
|
||||
parallel --dryrun -k --jl +$tmp echo ::: 1 2 3 4
|
||||
# Job 4 should not show up: 3 lines + header = 4
|
||||
wc -l < /tmp/jl.$$
|
||||
wc -l < $tmp
|
||||
rm $tmp
|
||||
}
|
||||
|
||||
par_0_no_newline() {
|
||||
|
|
@ -660,8 +675,9 @@ par_slow_pipe_regexp() {
|
|||
|
||||
par_results() {
|
||||
echo "### --results test.csv"
|
||||
parallel -k --results /tmp/$$.csv echo ::: a b c
|
||||
rm /tmp/$$.csv
|
||||
tmp=$(mktemp)
|
||||
parallel -k --results "$tmp"-dir echo ::: a b c
|
||||
rm -r $tmp "$tmp"-dir
|
||||
}
|
||||
|
||||
par_testquote() {
|
||||
|
|
@ -874,7 +890,7 @@ par_group-by_colsep_space() {
|
|||
}
|
||||
|
||||
par_json() {
|
||||
printf '"\t\\"' | parallel --results -.json echo :::: - ::: '"' '\\' |
|
||||
printf '"\t\\"' | parallel -k --results -.json echo :::: - ::: '"' '\\' |
|
||||
perl -pe 's/\d/0/g'
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -111,17 +111,17 @@ par_delay_Xauto() {
|
|||
exit $m;' $1;
|
||||
}
|
||||
export -f doit
|
||||
#seq 1000 | ppar --jl - -v --delay 0.1auto -q doit "$tmp"
|
||||
before=`date +%s`
|
||||
out=$(seq 30 | parallel --delay 0.03 -q doit "$tmp")
|
||||
after=`date +%s`
|
||||
normaldiff=$((after-before))
|
||||
# Round to 5 seconds
|
||||
normaldiff=$(( (after-before)/5 ))
|
||||
echo $normaldiff
|
||||
|
||||
before=`date +%s`
|
||||
out=$(seq 30 | parallel --delay 0.03auto -q doit "$tmp")
|
||||
after=`date +%s`
|
||||
autodiff=$((after-before))
|
||||
autodiff=$(( (after-before)/5 ))
|
||||
echo $autodiff
|
||||
|
||||
rm "$tmp"
|
||||
|
|
|
|||
|
|
@ -14,7 +14,7 @@ par_X_eta_div_zero 0:local / 0 / 0
|
|||
par_append_joblog ### can you append to a joblog using +
|
||||
par_append_joblog 1
|
||||
par_append_joblog 1
|
||||
par_append_joblog 3 /tmp/parallel_append_joblog
|
||||
par_append_joblog 3
|
||||
par_argfile ### Test -a and --arg-file: Read input from file instead of stdin
|
||||
par_argfile 1
|
||||
par_argfile 2
|
||||
|
|
@ -828,6 +828,11 @@ par_retries_replacement_string 22
|
|||
par_retries_replacement_string 33
|
||||
par_retries_replacement_string 33
|
||||
par_retries_replacement_string 33
|
||||
par_roundrobin_k ### Test -k --round-robin
|
||||
par_roundrobin_k 315464 315464 2097143
|
||||
par_roundrobin_k 299592 299592 2097144
|
||||
par_roundrobin_k 235148 235148 1646037
|
||||
par_roundrobin_k 149796 149796 1048572
|
||||
par_rpl_that_is_substring_of_longer_rpl ### --rpl % that is a substring of longer --rpl %D
|
||||
par_rpl_that_is_substring_of_longer_rpl a.b/c.d/e.f=a.b/c.d/e.f
|
||||
par_rpl_that_is_substring_of_longer_rpl a.b/c.d=a.b/c.d
|
||||
|
|
|
|||
|
|
@ -7,8 +7,8 @@ par_bug56403 1 job1b
|
|||
par_bug56403 2 job2cjob2d
|
||||
par_delay_Xauto TODO: --retries for those that fail and --sshdelay
|
||||
par_delay_Xauto ### bug #58911: --delay Xauto
|
||||
par_delay_Xauto 1
|
||||
par_delay_Xauto 25
|
||||
par_delay_Xauto 0
|
||||
par_delay_Xauto 5
|
||||
par_distribute_input_by_ability ### bug #48290: round-robin does not distribute data based on business
|
||||
par_distribute_input_by_ability ### Distribute input to jobs that are ready
|
||||
par_distribute_input_by_ability Job-slot n is 50% slower than n+1, so the order should be 1..7
|
||||
|
|
|
|||
Loading…
Reference in a new issue