X-Git-Url: https://git.grml.org/?p=grml2usb.git;a=blobdiff_plain;f=grml2iso;h=8f4d7b841965cc15f99032f8cabcfe9bd576c417;hp=0addfb74665c605178d606e47a5483a713c8982b;hb=9e7a48deb5c2046c7087e1f998748914b01b12be;hpb=7705455fc160164747fbbd44343fb6e3c833d45a

diff --git a/grml2iso b/grml2iso
index 0addfb7..8f4d7b8 100755
--- a/grml2iso
+++ b/grml2iso
@@ -86,7 +86,7 @@ Options:
     case $name in
       o)   ISOFILE="$OPTARG";;
       b)   GRML2USB_OPTS+=(--bootoptions="$OPTARG");;
-      c)   DIR="$(readlink -f "$OPTARG")";;
+      c)   DIR="$(readlink -f "$OPTARG")"; [ -n "$DIR" ] || { echo "Could not read $OPTARG - exiting" >&2 ; exit 1 ; } ;;
       f)   FORCE='true';;
       r)   GRML2USB_OPTS+=(--remove-bootoption="$OPTARG");;
       p)   GRML2USB_OPTS+=("$OPTARG");;