/usr/bin/env_parallel.ksh is in parallel 20161222-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 | #!/usr/bin/env ksh
# This file must be sourced in ksh:
#
# source `which env_parallel.ksh`
#
# after which 'env_parallel' works
#
#
# Copyright (C) 2016
# Ole Tange 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
env_parallel() {
# env_parallel.ksh
# 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 (.*)
_grep_REGEXP="$(
perl -e '
for(@ARGV){
/^_$/ and $next_is_env = 0;
$next_is_env and push @envvar, split/,/, $_;
$next_is_env = /^--env$/;
}
$vars = join "|",map { quotemeta $_ } @envvar;
print $vars ? "($vars)" : "(.*)";
' -- "$@"
)"
# Deal with --env _
_ignore_UNDERSCORE="$(
perl -e '
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 $_ } "env_parallel", @ignored_vars;
print $vars ? "($vars)" : "(,,nO,,VaRs,,)";
}
}
' -- "$@"
)"
# --record-env
if ! perl -e 'exit grep { /^--record-env$/ } @ARGV' -- "$@"; then
(alias | perl -pe 's/=.*//';
typeset +p -f | perl -pe 's/\(\).*//';
typeset +p | perl -pe 's/^typeset .. //') |
cat > $HOME/.parallel/ignored_vars
return 0
fi
# Grep alias names
_alias_NAMES="$(alias | perl -pe 's/=.*//' |
grep -E "^$_grep_REGEXP"\$ | grep -vE "^$_ignore_UNDERSCORE"\$ )"
_list_alias_BODIES="alias $_alias_NAMES | perl -pe 's/^/alias /'"
if [[ "$_alias_NAMES" = "" ]] ; then
# no aliases selected
_list_alias_BODIES="true"
fi
unset _alias_NAMES
# Grep function names
_function_NAMES="$(typeset +p -f | perl -pe 's/\(\).*//' |
grep -E "^$_grep_REGEXP"\$ | grep -vE "^$_ignore_UNDERSCORE"\$ )"
_list_function_BODIES="typeset -f $_function_NAMES"
if [[ "$_function_NAMES" = "" ]] ; then
# no functions selected
_list_function_BODIES="true"
fi
unset _function_NAMES
# Grep variable names
_variable_NAMES="$(typeset +p | perl -pe 's/^typeset .. //' |
grep -E "^$_grep_REGEXP"\$ | grep -vE "^$_ignore_UNDERSCORE"\$ |
grep -Ev '^(PIPESTATUS)$')"
_list_variable_VALUES="typeset -p $_variable_NAMES"
if [[ "$_variable_NAMES" = "" ]] ; then
# no variables selected
_list_variable_VALUES="true"
fi
unset _variable_NAMES
# eval is needed for aliases - cannot explain why
export PARALLEL_ENV="$(
eval $_list_alias_BODIES;
$_list_variable_VALUES;
$_list_function_BODIES)";
unset _list_alias_BODIES
unset _list_variable_VALUES
unset _list_function_BODIES
`which parallel` "$@";
_parallel_exit_CODE=$?
unset PARALLEL_ENV;
return $_parallel_exit_CODE
}
|