X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=etc%2Fgrml%2Fscript-functions;h=21085b7b3f192fbfb3c1301bd2a0ed7135454897;hb=6b83c3fd03200b08e9adc881d2c30544a4d723f4;hp=a39e3d8a34ce783493e6e836f6baf09d46893fb0;hpb=e5e6e3a2fe13935cd4ca80d274f7cb43bce56950;p=grml-etc-core.git

diff --git a/etc/grml/script-functions b/etc/grml/script-functions
index a39e3d8..21085b7 100644
--- a/etc/grml/script-functions
+++ b/etc/grml/script-functions
@@ -48,15 +48,25 @@ setdialog(){
 # }}}
 
 # {{{ check for availability of program(s)
-check4progs(){
-  local RC=''
-  for arg in $* ; do
-    which $arg >/dev/null 2>&1 || RC="$arg"
-  done
-  if [ -n "$RC" ] ; then
-     echo "$RC not installed"
-     return 1
-  fi
+check4progs() {
+    local RTN=0
+    local ARG=''
+    while [ ${#} -gt 0 ]
+    do
+        ARG="${1}"
+        shift
+
+        # check for availability
+        if ! \which "${ARG}" >/dev/null 2>&1
+        then
+            printf "%s: binary not found\n" "${ARG}" >&2
+            RTN=1
+        fi
+
+    done
+
+    # return non zero, if at least one prog is missing!
+    return ${RTN}
 }
 # }}}
 
@@ -184,4 +194,4 @@ is_older_than() {
 #}}}
 
 ## END OF FILE #################################################################
-# vim:foldmethod=marker tw=80 ai expandtab shiftwidth=2 tabstop=2
+# vim:foldmethod=marker tw=80 ai expandtab shiftwidth=2 tabstop=8 ft=sh