/usr/share/arc/config_parser.sh is in nordugrid-arc-arex 1.1.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Configuration parser module.
# Requires a POSIX shell and perl
##############################################
#
# Synopsis:
#
# . config_parser.sh
#
# config_parse_file /etc/arc/arex.xml || exit 1
# config_import_section common
# config_import_section grid-manager
# config_import_section infosys
#
# set | grep CONFIG_
#
# config_match_section queue/short || echo No such queue
#
# port=$(config_print_option gridftpd port)
#
# for name in config_subsections queue; do
# echo Found section: queue/$name
# fi
#
##############################################
#
# Parse the config file given as an argument
#
config_parse_file() {
arex_conf=$1
if [ -z "$arex_conf" ]; then
echo 'config_parser: No config file given!' 1>&2
return 1
elif [ ! -r "$arex_conf" ]; then
echo "config_parser: Cannot read config file: $arex_conf" 1>&2
return 1
fi
if [ -z "$pkgdatadir" ]; then echo "pkgdatadir must be set" 1>&2; return 1; fi
config=`/usr/bin/perl -I$pkgdatadir -MConfigCentral -we 'ConfigCentral::printLRMSConfigScript($ARGV[0])' "$arex_conf"` || return $?
eval "$config" || return $?
unset config
return 0
}
#
# Imports a section of the config file into shell variables.
# Option names from will be prefixed with CONFIG_
#
config_import_section() {
block=$1
i=0
if [ -z "$_CONFIG_NUM_BLOCKS" ]; then return 1; fi
while [ $i -lt $_CONFIG_NUM_BLOCKS ]; do
i=$(($i+1))
eval name="\$_CONFIG_BLOCK${i}_NAME"
if [ "x$block" != "x$name" ]; then continue; fi
eval num="\$_CONFIG_BLOCK${i}_NUM"
if [ -z "$num" ]; then return 1; fi
j=0
while [ $j -lt $num ]; do
j=$(($j+1))
eval name="\$_CONFIG_BLOCK${i}_OPT${j}_NAME"
if [ -z "$name" ]; then return 1; fi
eval "CONFIG_$name=\$_CONFIG_BLOCK${i}_OPT${j}_VALUE"
done
return 0
done
return 1
}
config_print_option() {
block=$1
opt=$2
i=0
if [ -z "$_CONFIG_NUM_BLOCKS" ]; then return 1; fi
while [ $i -lt $_CONFIG_NUM_BLOCKS ]; do
i=$(($i+1))
eval name="\$_CONFIG_BLOCK${i}_NAME"
if [ "x$block" != "x$name" ]; then continue; fi
eval num="\$_CONFIG_BLOCK${i}_NUM"
if [ -z "$num" ]; then return 1; fi
j=0
val=
while [ $j -lt $num ]; do
j=$(($j+1))
eval name="\$_CONFIG_BLOCK${i}_OPT${j}_NAME"
if [ -z "$name" ]; then return 1; fi
if [ "x$name" = "x$opt" ]; then
eval "val=\$_CONFIG_BLOCK${i}_OPT${j}_VALUE"
fi
done
echo -n "$val"
[ -n "$val" ] && return 0
done
return 1
}
config_match_section() {
block=$1
i=0
if [ -z "$_CONFIG_NUM_BLOCKS" ]; then return 1; fi
while [ $i -lt $_CONFIG_NUM_BLOCKS ]; do
i=$(($i+1))
eval name="\$_CONFIG_BLOCK${i}_NAME"
if [ "x$block" = "x$name" ]; then return 0; fi
done
return 1
}
config_subsections() {
block=$1
i=0
if [ -z "$_CONFIG_NUM_BLOCKS" ]; then return 1; fi
{
while [ $i -lt $_CONFIG_NUM_BLOCKS ]; do
i=$(($i+1))
eval name="\$_CONFIG_BLOCK${i}_NAME"
tail=${name#$block/}
if [ "x$name" != "x$tail" ]; then echo ${tail%%/*}; fi
done
} | sort -u
}
config_hide_all() {
unset `set|cut -f1 -d=|grep '^CONFIG_[A-Za-z0-9_]*$'`
}
config_reset() {
config_hide_all
unset `set|cut -f1 -d=|grep '^_CONFIG_[A-Za-z0-9_]*$'`
}
config_destroy() {
config_reset
unset config_parse_file
unset config_import_section
unset config_match_section
unset config_subsections
unset config_hide_all
unset config_reset
unset config_destroy
}
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