Release new version 2.13.0

[grml-scripts.git] / usr_bin / grml-exec-wrapper

diff --git a/usr_bin/grml-exec-wrapper b/usr_bin/grml-exec-wrapper
index 6973b70..4e5a3cc 100755 (executable)
--- a/usr_bin/grml-exec-wrapper
+++ b/usr_bin/grml-exec-wrapper
@@ -6,21 +6,28 @@
 # License:       This file is licensed under the GPL v2 or any later version.
 ################################################################################
 
+PN=$(basename "$0")
+
 usage() {
-  printf "Usage: $0 <program> [<arguments>]
+  printf "Usage: %s <program> [<arguments>]
 
 Available options:
 
   -h | --help   display this usage information
   -p <program>  check specified argument instead of default args, like:
-               $(basename $0) -p aumix xterm -T aumix -e aumix
-"
+                %s -p aumix xterm -T aumix -e aumix\n" "${PN}" "${PN}"
 }
 
 is_installed() {
-    prog="$(basename $1)"
+    prog="$1"
     [ -z "$prog" ] && return 1
 
+    case "${prog}" in
+        /*) # deal with absolute-path programs
+            [ -x "${prog}" ] && return 0
+            return 1 ;;
+    esac
+
     ret=1
     oifs="$IFS"
     IFS=:
@@ -43,7 +50,7 @@ else
 fi
 }
 
-if [ -z "$1" -o "$1" = '-h' -o "$1" = '--help' ] ; then
+if [ -z "$1" ] || [ "$1" = '-h' ] || [ "$1" = '--help' ] ; then
     usage
     exit 1
 fi
@@ -51,10 +58,10 @@ fi
 if [ "$1" = '-p' ] ; then
     if [ -z "$2" ] ; then
          usage
-        exit 1
+         exit 1
     else
          PROG="$2"
-        shift ; shift
+         shift ; shift
     fi
 else
     PROG="$1"
@@ -74,7 +81,7 @@ Looks like the grml flavour you are using does not ship ${PROG}. :(
 
 You can search for ${PROG} executing:
 
-apt-get update && apt-cache search $(basename ${PROG})
+apt-get update && apt-cache search $(basename "${PROG}")
     "
 
 exit 1