# License: This file is licensed under the GPL v2 or any later version.
################################################################################
+is_installed() {
+ prog="$1"
+ [ -z "$prog" ] && return 1
+
+ ret=1
+ oifs="$IFS"
+ IFS=:
+ for dir in $PATH; do
+ [ -z "$dir" ] && continue
+ [ -x "$dir/$prog" ] && ret=0 && break
+ done
+
+ IFS="$oifs"
+ unset oifs
+ return "$ret"
+}
+
# use Xdisplay only if present and running under X:
display_info() {
-if type -a Xdialog 1>/dev/null 2>&1 && test -n "$DISPLAY" ; then
+if is_installed Xdialog && test -n "$DISPLAY" ; then
Xdialog --title "grml-exec-wrapper" --msgbox "$1" 0 0 0
else
- print "$1">&2
+ printf '%s\n' "$1">&2
fi
}
exit 1
fi
-RC='0'
PROG="$1"
# make sure to support 'grml-exec-wrapper sudo wireshark' as well:
case $PROG in
- *sudo*) PROG="$2" ;;
+ *sudo*) PROG="$2" ;;
esac
-is_installed() {
- prog="$1"
- [ -z "$prog" ] && return 1
-
- ret=1
- oifs="$IFS"
- IFS=:
- for dir in $PATH; do
- [ -z "$dir" ] && continue
- [ -x "$dir/$prog" ] && ret=0 && break
- done
-
- IFS="$oifs"
- unset oifs
- return "$ret"
-}
+if is_installed "$PROG" ; then
+ exec "$@"
+fi
-if is_installed "$PROG" 1>/dev/null 2>&1 ; then
- exec $@
-else
- RC=1
- display_info "Sorry: ${PROG} not available.
+display_info "Sorry: ${PROG} not available.
Looks like the grml flavour you are using does not ship ${PROG}. :(
apt-get update && apt-cache search ${PROG}
"
-fi
-exit $RC
+exit 1
## END OF FILE #################################################################