diff --git a/doc/FUTURE_IDEAS b/doc/FUTURE_IDEAS index e33eb099..ad5b5a42 100644 --- a/doc/FUTURE_IDEAS +++ b/doc/FUTURE_IDEAS @@ -1,18 +1,40 @@ +parallel echo {} ::: 1 2 3 +src/parallel echo {} ::: 1 2 3 +parallel echo a{}b ::: 1 2 3 +src/parallel echo a{}b ::: 1 2 3 +parallel echo a{}b ::: 1/Q.e 2/W.t 3/E.f +src/parallel echo a{}b ::: 1/Q.e 2/W.t 3/E.f +parallel echo a{.}b ::: 1/Q.e 2/W.t 3/E.f +src/parallel echo a{.}b ::: 1/Q.e 2/W.t 3/E.f +parallel echo a{.}b {//} ::: 1/Q.e 2/W.t 3/E.f +src/parallel echo a{.}b {//} ::: 1/Q.e 2/W.t 3/E.f +parallel echo a{.}b {//}-{/.} ::: 1/Q.e 2/W.t 3/E.f +src/parallel echo a{.}b {//}-{/.} ::: 1/Q.e 2/W.t 3/E.f +parallel --xapply echo a{3.}b {//}-{/.} ::: 1/Q.e 2/W.t 3/E.f +src/parallel --xapply echo a{3.}b {//}-{/.} ::: 1/Q.e 2/W.t 3/E.f +parallel --xapply echo a{3.}b {//}-{/.} ::: 1/Q.e ::: 2/W.t ::: 3/E.f +src/parallel --xapply echo a{3.}b {//}-{/.} ::: 1/Q.e ::: 2/W.t ::: 3/E.f + + + +Fixed bug in {n//} + -S - should read --sshloginfile from stdin ---onall +-X for multiple input sources: +parallel -X echo mkdir -p dir-{1} dir-{1}/subdir-{2} :::: <(seq 1 5) <(seq 5 8) +parallel -X echo mkdir -p dir-{1//} dir-{1.}/subdir-{2} ::: a/foo.d b/bar.d :::: <(seq 5 8) -One jobqueue per sshlogin. +Dont start: -cat | parallel --onall -S eos,iris '(echo {3} {2}) | awk \{print\ \$2}' :::: - ::: a b c ::: 1 2 3 +* load +* memory free | head -n 2 | awk \{print\ \$4+\$6+\$7\} +* swap +* seek vmstat\ 1\ 2\ \|\ tail\ -n1\ \|\ awk\ \{print\\\ \\\$7*\\\$8\} -Dont start new job if: - -* memory free is too low - Video 30. 36. 41. 48 diff --git a/doc/release_new_version b/doc/release_new_version index 322f2aea..a2ca7c1f 100644 --- a/doc/release_new_version +++ b/doc/release_new_version @@ -79,7 +79,7 @@ pushd == Update OpenSUSE build system == https://build.opensuse.org/package/show?package=parallel&project=home%3Atange -cd ~/privat/parallel/packager/obs +cd ~/privat/parallel/packager/obs em home:tange/parallel/parallel.spec find home:tange/parallel/* -type f | grep -v parallel.spec | parallel osc rm {}';' rm {} make @@ -136,7 +136,7 @@ https://savannah.gnu.org/news/?group=parallel # Went over the limit at number 132 (sleep 40) # https://support.twitter.com/entries/15364-about-twitter-limits-update-api-dm-and-following # says 250 direct msg per day = 86400/250 = sleep 345 -cat twitters | grep -iv removed | +cat twitters | grep -iv removed | parallel -j1 sleep 354\; echo @{} You have earlier shown interest in GNU Parallel. \ A new version is out: http://nd.gd/2j '|' ttytter @@ -168,14 +168,29 @@ Subject: GNU Parallel 20110622 ('XXX') released GNU Parallel 20116022 ('XXX') has been released. It is available for download at: http://ftp.gnu.org/gnu/parallel/ +For sysadmins this is a major release, as --onall makes it easy to run +the same commands on a list of computers. + New in this release: -* Parallel processing without Hadoop! +* --onall will run all the jobs on all the computers. This is useful + for systemadinistrators having multiple servers. + +* --nonall runs like --onall but reads no arguments from stdin + (standard input), so is possible to do: + parallel --nonall -S computer1,computer2 uptime + +* --noswap do not start a job on a server that is swapping. + +* Article: Parallel processing without Hadoop! http://www.solutionhacker.com/parallel-processing-without-hadoop/ * Article in Linux Magazine (Spanish). Thanks to Ben Martin. http://www.linux-magazine.es/issue/67/ +* Blog post in English. Thanks to Dagon. + hekate.homeip.net/2011/05/29/ + * Bug fixes and man page updates. diff --git a/src/parallel b/src/parallel index 1d78a2f7..a0d4ab20 100755 --- a/src/parallel +++ b/src/parallel @@ -3382,17 +3382,6 @@ sub populate { } } } - - if($self->number_of_args() > 0) { - # Fill up if we have a half completed line - if(defined $self->{'max_number_of_args'}) { - # If you want a number of args and do not have it then fill out the rest with empties - # so magic strings like '{2}' will be replaced with empty. - while($self->number_of_args() < $self->{'max_number_of_args'}) { - $self->push([Arg->new("")]); - } - } - } } sub push { @@ -3408,7 +3397,7 @@ sub push { if(defined $arg) { if($self->{'positional_replace'}{$arg_no}) { for my $used (keys %{$self->{'replacecount'}}) { - my $replacementfunction = $self->{'positional_replace'}{$arg_no}; # {} {/} {.} or {/.} + my $replacementfunction = $self->{'positional_replace'}{$arg_no}; # {} {/} {//} {.} or {/.} # Find the single replacements $self->{'len'}{$used} += length $arg->replace($replacementfunction); } @@ -3427,7 +3416,7 @@ sub pop { my $record = pop @{$self->{'arg_list'}}; for my $arg (@$record) { if(defined $arg) { - for my $replacement_string qw(keys %{$self->{'replacecount'}}) { + for my $replacement_string (keys %{$self->{'replacecount'}}) { $self->{'len'}{$replacement_string} -= length $arg->replace($replacement_string); } } @@ -3439,7 +3428,7 @@ sub pop_all { # Remove all arguments my $self = shift; my @popped = @{$self->{'arg_list'}}; - for my $replacement_string qw(keys %{$self->{'replacecount'}}) { + for my $replacement_string (keys %{$self->{'replacecount'}}) { $self->{'len'}{$replacement_string} = 0; } $self->{'arg_list'} = []; @@ -3475,7 +3464,7 @@ sub len { $self->{'replacecount'}{$replstring}; } if($Global::replace{$replstring}) { - # This is a multi replacestring ({} {/} {.} {/.} {//}) + # This is a multi replacestring ({} {/} {//} {.} {/.}) # Add each space between two arguments my $number_of_args = ($#{$self->{'arg_list'}[0]}+1)*$self->number_of_args(); $len += ($number_of_args-1) * $self->{'replacecount'}{$replstring}; @@ -3516,7 +3505,7 @@ sub number_of_replacements { my $multi_regexp = multi_regexp(); my $replacement_regexp = "(?:". - '\{\d+/?\.?\}'. # {n}, {n.} {n/.} {n/} + '\{\d+(?:|\.|/\.|/|//)?\}'. # {n} {n.} {n/.} {n/} {n//} '|'. join("|",map {$a=$_;$a=~s/(\W)/\\$1/g; $a} values %Global::replace). ")"; @@ -3579,125 +3568,176 @@ sub replaced { sub replace_placeholders { my $self = shift; my $target = shift; - my $quote_special_chars = shift; + my $quoteall = shift; my $context_replace = $self->{'context_replace'}; - my $context_regexp = $context_replace ? '\S*' : ''; # Regexp to match surrounding context + my $replaced; - if($self->number_of_args() == 0) { - Carp::confess("0 args should never call replaced"); + if($self->{'context_replace'}) { + $replaced = $self->context_replace_placeholders($target,$quoteall); + } else { + $replaced = $self->simple_replace_placeholders($target,$quoteall); } + return $replaced; +} + +sub context_replace_placeholders { + my $self = shift; + my $target = shift; + my $quoteall = shift; + # -X = context replace + # maybe multiple input sources + # maybe --xapply + # $self->{'arg_list'} = [ [Arg11, Arg12], [Arg21, Arg22], [Arg31, Arg32] ] - my %replace; - my %replace_single; - my %replace_multi; - my @replace_context; my @args=(); my @used_multi; + my %replace; for my $record (@{$self->{'arg_list'}}) { - # Merge arguments from records into args + # Merge arguments from records into args for easy access CORE::push @args, @$record; } + + # Replacement functions + my @rep = qw({} {/} {//} {.} {/.}); + # Inner part of replacement functions + my @rep_inner = ('', '/', '//', '.', '/.'); + # Regexp for replacement functions + my $rep_regexp = "(?:". join('|', map { $_=~s/(\W)/\\$1/g; $_} @rep) . ")"; + # Regexp for inner replacement functions + my $rep_inner_regexp = "(?:". join('|', map { $_=~s/(\W)/\\$1/g; $_} @rep_inner) . ")"; + # Seq replace string: {#} + my $rep_seq_regexp = '(?:\{\#\})'; + # Normal replace strings + my $rep_str_regexp = multi_regexp(); + + # Fish out the words that have replacement strings in them + my $tt = $target; + my %word; + while($tt =~ s/(\S*(?:$rep_str_regexp|\{\d+$rep_inner_regexp\}|$rep_seq_regexp)\S*)/\0/o) { + $word{$1}++; + } + # For each word: Generate the replacement string for that word. + for my $origword (keys %word) { + my @pos_replacements=(); + my @replacements=(); + my $w; + my $word = $origword; # Make a local modifyable copy + + # replace {#} if it exists + $word =~ s/\{\#\}/$self->seq()/geo; + if($word =~ m:\{\d+$rep_inner_regexp\}:o) { + # There are positional replacement strings + my @argset; + if($#{$self->{'arg_list'}->[0]} == 0) { + # Only one input source: Treat it as a set + @argset = [ @args ]; + } else { + @argset = @{$self->{'arg_list'}}; + } + # Match 1..n where n = max args in a argset + my $pos_regexp = "(?:".join("|", 1 .. $#{$argset[0]}+1).")"; + for my $argset (@argset) { + # Replace all positional arguments - e.g. {7/.} + # with the replacement function - e.g. {/.} + # of that argument + if(defined $self->{'max_number_of_args'}) { + # Fill up if we have a half completed line, so {n} will be empty + while($#$argset < $self->{'max_number_of_args'}-1) { + CORE::push @$argset, Arg->new(""); + } + } + $w = $word; + $w =~ s/\{($pos_regexp)($rep_inner_regexp)\}/$argset->[$1-1]->replace('{'.$2.'}')/geo; + CORE::push @pos_replacements, $w; + } + } + if(not @pos_replacements) { + @pos_replacements = ($word); + } + + if($word =~ m:$rep_str_regexp:) { + # There are normal replacement strings + for my $w (@pos_replacements) { + for my $arg (@args) { + my $wmulti = $w; + $wmulti =~ s/($rep_str_regexp)/$arg->replace($Global::replace_rev{$1})/geo; + CORE::push @replacements, $wmulti; + } + } + } + if(@replacements) { + CORE::push @{$replace{$origword}}, @replacements; + } else { + CORE::push @{$replace{$origword}}, @pos_replacements; + } + } + # Substitute the replace strings with the replacement values + # Must be sorted by length if a short word is a substring of a long word + my $regexp = join('|', map { $_=~s/(\W)/\\$1/g; $_} + sort { length $b <=> length $a } keys %word); + $target =~ s/($regexp)/join(" ",@{$replace{$1}})/ge; + return $target; +} + +sub simple_replace_placeholders { + # no context (no -X) + # maybe multiple input sources + # maybe --xapply + my $self = shift; + my $target = shift; + my $quoteall = shift; + my @args=(); + my @used_multi; + my %replace; + + for my $record (@{$self->{'arg_list'}}) { + # Merge arguments from records into args for easy access + CORE::push @args, @$record; + } + # Which replace strings are used? + # {#} {} {/} {//} {.} {/.} {n} {n/} {n//} {n.} {n/.} for my $used (keys %{$self->{'replacecount'}}) { - if($used =~ /^{(\d+)(\D*)}$/) { + # What are the replacement values for the replace strings? + if(grep { $used eq $_ } qw({} {/} {//} {.} {/.})) { + # {} {/} {//} {.} {/.} + $replace{$Global::replace{$used}} = + join(" ", map { $_->replace($used) } @args); + } elsif($used =~ /^\{(\d+)(|\/|\/\/|\.|\/\.)\}$/) { + # {n} {n/} {n//} {n.} {n/.} my $positional = $1; # number if any - my $replacementfunction = "{".::undef_as_empty($2)."}"; # {} {/} {.} or {/.} - # Find the single replacements + my $replacementfunction = "{".::undef_as_empty($2)."}"; # {} {/} {//} {.} or {/.} if(defined $args[$positional-1]) { # we have a matching argument for {n} - $replace_single{$used} = $args[$positional-1]->replace($replacementfunction); - } - } elsif($used =~ /^(\{\}|\{\/\}|\{\/\/\}|\{\.\}|\{\/\.\})$/) { - # Add to the multireplacement - my $replacementfunction = $used; # {} {/} {//} {.} or {/.} - CORE::push @used_multi, $replacementfunction; - if($self->{'context_replace'}) { - for my $n (0 .. $#args) { - $replace_context[$n]{$replacementfunction} = - $args[$n]->replace($replacementfunction); - } + $replace{$used} = $args[$positional-1]->replace($replacementfunction); } else { - CORE::push(@{$replace_multi{$replacementfunction}}, - map { $args[$_]->replace($replacementfunction) } - 0 .. $#args); + if($positional <= $self->{'max_number_of_args'}) { + # Fill up if we have a half completed line + $replace{$used} = ""; + } } - } elsif($used eq '{#}') { - $replace_single{$Global::replace{$used}} = $self->seq(); + } elsif($used eq "{#}") { + # {#} + $replace{$Global::replace{$used}} = $self->seq(); } else { - ::die_bug('replace_placeholders20110309'); + ::die_bug('simple_replace_placeholders_20110530'); } } - my $replacements = 0; - if(%replace_single) { - my $single_regexp = join('|', map { $_=~s/(\W)/\\$1/g; $_} sort keys %replace_single); - $replacements += ($target =~ s/($single_regexp)/$replace_single{$1}/ge); - } - my $orig_target = $target; - if(@used_multi) { - my $multi_regexp = join('|', map { - $a=$Global::replace{$_}; - $a=~s/(\W)/\\$1/g; $a - } @used_multi); - my %wordargs; - if($quote_special_chars) { - while($target =~ s/(.*($multi_regexp).*)/\0/o) { - my $wordarg = $1; - my $pattern = $2; - if($self->{'context_replace'}) { - my $substituted = $wordarg; - my @all=(); - for my $argref (@replace_context) { - # for each argument convert a{}b to a1b a2b - my $substituted = $wordarg; - $substituted =~ s/($multi_regexp)/$argref->{$Global::replace_rev{$1}}/g; - CORE::push @all,$substituted; - } - $wordargs{$wordarg} = join" ",@all; - return @all; - } else { - my $substituted = $wordarg; - $substituted =~ s/($multi_regexp)/join(" ",map {$_} @{$replace_multi{$Global::replace_rev{$1}}})/eg; - $wordargs{$wordarg} = $substituted; - } - } + # Substitute the replace strings with the replacement values + my $regexp = join('|', map { $_=~s/(\W)/\\$1/g; $_} keys %replace); + if($regexp) { + if($quoteall) { + # This is for --return: The whole expression must be + # quoted - not just the replacements + %replace = map { $_ => ::shell_unquote($replace{$_}) } keys %replace; + $target =~ s/($regexp)/$replace{$1}/g; + $target = ::shell_quote_scalar($target); } else { - while($target =~ s/(\S*($multi_regexp)\S*)/\0/o) { - my $wordarg = $1; - my $pattern = $2; - if($self->{'context_replace'}) { - my $substituted = $wordarg; - my @all=(); - for my $argref (@replace_context) { - # for each argument convert a{}b to a1b a2b - my $substituted = $wordarg; - $substituted =~ s/($multi_regexp)/$argref->{$Global::replace_rev{$1}}/g; - CORE::push @all,$substituted; - } - $wordargs{$wordarg} = join" ",@all; - } else { - my $substituted = $wordarg; - $substituted =~ s/($multi_regexp)/join(" ",map {$_} @{$replace_multi{$Global::replace_rev{$1}}})/eg; - $wordargs{$wordarg} = $substituted; - } - } - } - - my @k=keys %wordargs; - for(@k) {s/(\W)/\\$1/g}; - my $regexp=join("|",@k); - if($quote_special_chars) { - # When --return'ing a file with added special chars - # they need to be quoted. - # E.g. --trc 'a {}' - # Not really pretty. Can this be done better? - $orig_target =~s/($regexp)/::shell_unquote($wordargs{$1})/ge; - $orig_target = ::shell_quote_scalar($orig_target); - } else { - $orig_target =~s/($regexp)/$wordargs{$1}/g; + $target =~ s/($regexp)/$replace{$1}/g; } } - return $orig_target; + return $target; } @@ -4162,7 +4202,7 @@ sub read_arg_from_fh { sub expand_combinations { # Input: # ([xmin,xmax], [ymin,ymax], ...) - # Returns ([x,y,...],[x,y,...]) + # Returns ([x,y,...],[x,y,...]) # where xmin <= x <= xmax and ymin <= y <= ymax my $minmax_ref = shift; my $xmin = $$minmax_ref[0]; @@ -4177,7 +4217,7 @@ sub expand_combinations { } else { for(my $x = $xmin; $x <= $xmax; $x++) { push @p, [$x]; - } + } } return @p; } @@ -4214,7 +4254,7 @@ sub new { sub replace { my $self = shift; - my $replacement_string = shift; # {} {/} {.} {/.} + my $replacement_string = shift; # {} {/} {//} {.} {/.} if(not defined $self->{$replacement_string}) { my $s; if($Global::trim eq "n") { diff --git a/src/parallel.pod b/src/parallel.pod index b31fd93c..8df46f02 100644 --- a/src/parallel.pod +++ b/src/parallel.pod @@ -70,14 +70,14 @@ alias or a function will not work (see why http://www.perlmonks.org/index.pl?node_id=484296). -=item B<{}> +=item B<{}> (still alpha testing) Input line. This is the default replacement string and will normally be used for putting the argument in the command line. It can be changed with B<-I>. -=item B<{.}> +=item B<{.}> (still alpha testing) Input line without extension. This is a specialized replacement string with the extension removed. If the input line contains B<.> after the @@ -91,7 +91,7 @@ B<{.}> can be used the same places as B<{}>. The replacement string B<{.}> can be changed with B<-U>. -=item B<{/}> +=item B<{/}> (still alpha testing) Basename of input line. This is a specialized replacement string with the directory part removed. @@ -100,7 +100,7 @@ B<{/}> can be used the same places as B<{}>. The replacement string B<{/}> can be changed with B<--basenamereplace>. -=item B<{//}> (alpha testing) +=item B<{//}> (still alpha testing) Dirname of input line. This is a specialized replacement string containing the dir of the input. See B(1). @@ -109,7 +109,7 @@ B<{//}> can be used the same places as B<{}>. The replacement string B<{//}> can be changed with B<--dirnamereplace>. -=item B<{/.}> +=item B<{/.}> (still alpha testing) Basename of input line without extension. This is a specialized replacement string with the directory and extension part removed. It @@ -119,14 +119,14 @@ B<{/.}> can be used the same places as B<{}>. The replacement string B<{/.}> can be changed with B<--basenameextensionreplace>. -=item B<{#}> (beta testing) +=item B<{#}> (still alpha testing) Sequence number of the job to run. The same as $PARALLEL_SEQ. The replacement string B<{#}> can be changed with B<--seqreplace>. -=item B<{>IB<}> +=item B<{>IB<}> (still alpha testing) Argument from input source I or the I'th argument. See B<-a> and B<-N>. @@ -134,7 +134,7 @@ and B<-N>. B<{>IB<}> can be used the same places as B<{}>. -=item B<{>I.B<}> +=item B<{>I.B<}> (still alpha testing) Argument from input source I or the I'th argument without extension. It is a combination of B<{>IB<}> and B<{.}>. @@ -142,7 +142,7 @@ extension. It is a combination of B<{>IB<}> and B<{.}>. B<{>I.B<}> can be used the same places as B<{>IB<}>. -=item B<{>I/B<}> +=item B<{>I/B<}> (still alpha testing) Basename of argument from input source I or the I'th argument. It is a combination of B<{>IB<}> and B<{/}>. See B<-a> and B<-N>. @@ -150,7 +150,7 @@ It is a combination of B<{>IB<}> and B<{/}>. See B<-a> and B<-N>. B<{>I/B<}> can be used the same places as B<{>IB<}>. -=item B<{>I/.B<}> +=item B<{>I/.B<}> (still alpha testing) Basename of argument from input source I or the I'th argument without extension. It is a combination of B<{>IB<}>, B<{/}>, and diff --git a/testsuite/wanted-results/test27 b/testsuite/wanted-results/test27 index ee62bb3c..9c89d234 100644 --- a/testsuite/wanted-results/test27 +++ b/testsuite/wanted-results/test27 @@ -1101,6 +1101,6 @@ foo bar echo baz ugh baz ugh echo foo\ bar baz\ -echo ugh +echo ugh foo bar baz ugh diff --git a/testsuite/wanted-results/test55 b/testsuite/wanted-results/test55 new file mode 100644 index 00000000..42c0d9a3 --- /dev/null +++ b/testsuite/wanted-results/test55 @@ -0,0 +1,11 @@ +### Test race condition on 8 CPU (my laptop) +1 +2 +3 +4 +5 +6 +7 +8 +9 +10