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#!/usr/bin/env csh
# This file must be sourced in csh:
#
# source `which env_parallel.csh`
#
# after which 'env_parallel' works
#
#
# Copyright (C) 2016-2024 Ole Tange, http://ole.tange.dk and Free
# Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>
# or write to the Free Software Foundation, Inc., 51 Franklin St,
# Fifth Floor, Boston, MA 02110-1301 USA
#
# SPDX-FileCopyrightText: 2021-2024 Ole Tange, http://ole.tange.dk and Free Software and Foundation, Inc.
# SPDX-License-Identifier: GPL-3.0-or-later
set _parallel_exit_CODE=0
if ("`alias env_parallel`" == '' || ! $?PARALLEL_CSH) then
# Activate alias
alias env_parallel '(setenv PARALLEL_CSH "\!*"; source `which env_parallel.csh`)'
else
# Get the --env variables if set
# --env _ should be ignored
# and convert a b c to (a|b|c)
# If --env not set: Match everything (.*)
# simple 'tempfile': Return nonexisting filename: /tmp/parXXXXX
alias _tempfile 'perl -e do\{\$t\=\"/tmp/par\".join\"\",map\{\(0..9,\"a\"..\"z\",\"A\"..\"Z\"\)\[rand\(62\)\]\}\(1..5\)\;\}while\(-e\$t\)\;print\"\$t\\n\"'
set _tMpscRIpt=`_tempfile`
cat <<'EOF' > $_tMpscRIpt
#!/usr/bin/perl
for(@ARGV){
/^_$/ and $next_is_env = 0;
$next_is_env and push @envvar, split/,/, $_;
$next_is_env = /^--env$/;
}
$vars = join "|",map { quotemeta $_ } @envvar;
print $vars ? "($vars)" : "(.*)";
'EOF'
set _grep_REGEXP="`perl $_tMpscRIpt -- $PARALLEL_CSH`"
# Deal with --env _
cat <<'EOF' > $_tMpscRIpt
#!/usr/bin/perl
for(@ARGV){
$next_is_env and push @envvar, split/,/, $_;
$next_is_env=/^--env$/;
}
if(grep { /^_$/ } @envvar) {
if(not open(IN, "<", "$ENV{HOME}/.parallel/ignored_vars")) {
print STDERR "parallel: Error: ",
"Run \"parallel --record-env\" in a clean environment first.\n";
} else {
chomp(@ignored_vars = <IN>);
$vars = join "|",map { quotemeta $_ } @ignored_vars;
print $vars ? "($vars)" : "(,,nO,,VaRs,,)";
}
}
'EOF'
set _ignore_UNDERSCORE="`perl $_tMpscRIpt -- $PARALLEL_CSH`"
rm $_tMpscRIpt
# Get the scalar and array variable names
set _vARnAmES=(`set | perl -ne 's/\s.*//; /^(#|_|killring|prompt2|command|PARALLEL_ENV|PARALLEL_TMP)$/ and next; /^'"$_grep_REGEXP"'$/ or next; /^'"$_ignore_UNDERSCORE"'$/ and next; print'`)
# Make a tmpfile for the variable definitions
set _tMpvARfILe=`_tempfile`
touch $_tMpvARfILe
# Make a tmpfile for the variable definitions + alias
set _tMpaLLfILe=`_tempfile`
foreach _vARnAmE ($_vARnAmES);
# These 3 lines break in csh ver. 20110502-3
# if not defined: next
eval if'(! $?'$_vARnAmE') continue'
# if $#myvar <= 1 echo scalar_myvar=$var
eval if'(${#'$_vARnAmE'} <= 1) echo scalar_'$_vARnAmE'='\"\$$_vARnAmE\" >> $_tMpvARfILe;
# if $#myvar > 1 echo array_myvar=$var
eval if'(${#'$_vARnAmE'} > 1) echo array_'$_vARnAmE'="$'$_vARnAmE'"' >> $_tMpvARfILe;
end
unset _vARnAmE _vARnAmES
# shell quote variables (--plain needed due to ignore if $PARALLEL is set)
# Convert 'scalar_myvar=...' to 'set myvar=...'
# Convert 'array_myvar=...' to 'set array=(...)'
cat $_tMpvARfILe | parallel --plain --shellquote | perl -pe 's/^scalar_(\S+).=/set $1=/ or s/^array_(\S+).=(.*)/set $1=($2)/ && s/\\ / /g;' > $_tMpaLLfILe
# Cleanup
rm $_tMpvARfILe; unset _tMpvARfILe
# ALIAS TO EXPORT ALIASES:
# Quote ' by putting it inside "
# s/'/'"'"'/g;
# ' => \047 " => \042
# s/\047/\047\042\047\042\047/g;
# Quoted: s/\\047/\\047\\042\\047\\042\\047/g\;
# Remove () from second column
# s/^(\S+)(\s+)\((.*)\)/\1\2\3/;
# Quoted: s/\^\(\\S+\)\(\\s+\)\\\(\(.\*\)\\\)/\\1\\2\\3/\;
# Add ' around second column
# s/^(\S+)(\s+)(.*)/\1\2'\3'/
# \047 => '
# s/^(\S+)(\s+)(.*)/\1\2\047\3\047/;
# Quoted: s/\^\(\\S+\)\(\\s+\)\(.\*\)/\\1\\2\\047\\3\\047/\;
# Quote ! as \!
# s/\!/\\\!/g;
# Quoted: s/\\\!/\\\\\\\!/g;
# Prepend with "\nalias "
# s/^/\001alias /;
# Quoted: s/\^/\\001alias\ /\;
alias | \
perl -ne '/^'"$_grep_REGEXP"'/ or next; /^'"$_ignore_UNDERSCORE"'[^_a-zA-Z]/ and next; print' | \
perl -pe s/\\047/\\047\\042\\047\\042\\047/g\;s/\^\(\\S+\)\(\\s+\)\\\(\(.\*\)\\\)/\\1\\2\\3/\;s/\^\(\\S+\)\(\\s+\)\(.\*\)/\\1\\2\\047\\3\\047/\;s/\^/\\001alias\ /\;s/\\\!/\\\\\\\!/g >> $_tMpaLLfILe
setenv PARALLEL_ENV "`cat $_tMpaLLfILe; rm $_tMpaLLfILe`";
unset _tMpaLLfILe;
# Use $PARALLEL_CSH set in calling alias
parallel
set _parallel_exit_CODE=$status
setenv PARALLEL_ENV
setenv PARALLEL_CSH
endif
(exit $_parallel_exit_CODE)
|
