eval "var=\"\${$1}\""
[ -n "$var" ]
}
-
-trapret() {(
- local retvals="$1"; shift
- local cmd="$1"; shift
- for retval in $(echo $retvals); do
- local trap_$retval=1
- done
- "$cmd" "$@" || {
- local retval="$?"
- eval "trapped=\${trap_$retval}"
- [ -n "$trapped" ] || {
- return $retval
- }
- }
-)}
-
-md5s() {
- which md5sum 2>&1 >/dev/null && md5sum "$@" | awk '{print $1}' || md5 "$@"
-}