82 lines
1.8 KiB
Bash
Executable File
82 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
|
|
# set -x
|
|
|
|
source ./log_helpers
|
|
|
|
if [ "${general_utils_sourced:-1}" = "1" ]; then # include only once
|
|
readonly general_utils_sourced=${BASH_SOURCE[0]}
|
|
|
|
# compare two strings
|
|
equal () {
|
|
case "$1" in
|
|
"$2")
|
|
return 0
|
|
;;
|
|
esac
|
|
return 1 # they don't match
|
|
}
|
|
|
|
# check if second string is contained in first string
|
|
contains () {
|
|
if grep -qE "$2" <<< $1; then
|
|
return 0
|
|
fi
|
|
return 1 # not contained
|
|
}
|
|
|
|
exec_process_substitution () {
|
|
local func="${FUNCNAME[0]}"
|
|
log_debug "$func:${LINENO} exec-ing [$*]"
|
|
|
|
exec {fd}< <(eval "$@")
|
|
|
|
local __result_code=$?
|
|
local ps_pid=$! # remember pid of process substitution
|
|
|
|
local __result=""
|
|
while read __tmp <&$fd; do
|
|
if ! [ -z "$__tmp" ]; then
|
|
__result="${__result}$__tmp"
|
|
fi
|
|
done
|
|
|
|
exec {fd}>&- # close fd (i.e. process substitution)
|
|
wait $ps_pid # wait for the subshell to finish
|
|
|
|
__result=${__result//[$'\r\n\t']/ } # remove \r\n\t from __result
|
|
|
|
log_debug "$func:${LINENO} result=$__result"
|
|
printf '%s' "$__result"
|
|
return $__result_code
|
|
}
|
|
|
|
usage () {
|
|
echo "Usage: $PROGRAM [--file config] [--?] [--help] [--version] [--dbg]"
|
|
# UpdateController.conf"
|
|
}
|
|
|
|
usage_and_exit () {
|
|
usage
|
|
exit $1
|
|
}
|
|
|
|
version () {
|
|
echo "$PROGRAM version $VERSION"
|
|
}
|
|
|
|
error () {
|
|
echo "$@" 1>&2
|
|
usage_and_exit 1
|
|
}
|
|
|
|
alert () {
|
|
# usage: alert <$?> <object>
|
|
if [ "$1" ne 0 ]; then
|
|
echo "WARNING: $2 did not complete successfully." >&2
|
|
exit 1
|
|
else
|
|
echo "INFO: $2 completed successfully" >&2
|
|
fi
|
|
}
|
|
fi
|