diff options
Diffstat (limited to 'lsinitramfs')
| -rwxr-xr-x | lsinitramfs | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/lsinitramfs b/lsinitramfs index aea7747..809445f 100755 --- a/lsinitramfs +++ b/lsinitramfs @@ -3,12 +3,24 @@ usage() { echo "Usage: $(basename $0) <initramfs file>" - exit 1 } -[ $# -eq 0 ] && usage +if [ "$#" -eq 0 ] ; then + usage >&2 + exit 1 +fi + +if [ "$1" = "-h" ] || [ "$1" = "--help" ] ; then + usage + exit 0 +fi -for i in $*; do - echo $i - zcat $i | cpio --extract --verbose --quiet --list +for i in "$*" ; do + if ! [ -r "$i" ] ; then + echo "Specified file could not be read." >&2 + exit 1 + else + echo "$i" + zcat "$i" | cpio --extract --verbose --quiet --list + fi done |