From: Harald Hoyer <harald@redhat.com>
Date: Fri, 17 Sep 2010 13:21:27 +0000 (+0200)
Subject: lsinitrd: add "catinitrd" functionality
X-Git-Tag: 008~129
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=430bfefda3855aa55fff32400eb51055d851c76d;p=thirdparty%2Fdracut.git

lsinitrd: add "catinitrd" functionality

lsinitrd <initramfs image> [<file to cat>]
---

diff --git a/lsinitrd b/lsinitrd
index de7383162..7e9df9eb0 100755
--- a/lsinitrd
+++ b/lsinitrd
@@ -19,9 +19,14 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-[[ $# -eq 1 ]] || { echo "Usage: $(basename $0) <initramfs file>" ; exit 1 ; }
+[[ $# -eq 1 || $# -eq 2 ]] || { echo "Usage: $(basename $0) <initramfs file> [<filename>]" ; exit 1 ; }
 [[ -f $1 ]]    || { echo "$1 does not exist" ; exit 1 ; }
 
+if [[ $# -eq 2 ]]; then
+    zcat $1 | cpio --extract --verbose --quiet --to-stdout ${2#/} 2>/dev/null
+    exit $?
+fi
+
 echo "$1:"
 echo "========================================================================"
 zcat $1 | cpio --extract --verbose --quiet --to-stdout 'dracut-*' 2>/dev/null