aboutsummaryrefslogtreecommitdiff
path: root/examples
diff options
context:
space:
mode:
authorGravatar Mike Frysinger <vapier@gentoo.org>2016-04-04 01:39:17 -0400
committerGravatar Mike Frysinger <vapier@gentoo.org>2016-04-04 01:39:17 -0400
commitd7d4750e1e213e7448147186dddfe3bfbb47eea0 (patch)
tree06ab388b08dc5828c0e81123e101cb0d6641395a /examples
parentee22fe8793679e0f366a5501e3c7b576a9eb46c9 (diff)
downloadbusybox-d7d4750e1e213e7448147186dddfe3bfbb47eea0.tar.gz
busybox-d7d4750e1e213e7448147186dddfe3bfbb47eea0.tar.bz2
unrpm: clean up
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'examples')
-rwxr-xr-xexamples/unrpm65
1 files changed, 35 insertions, 30 deletions
diff --git a/examples/unrpm b/examples/unrpm
index 7fd3676f6..f48550b0a 100755
--- a/examples/unrpm
+++ b/examples/unrpm
@@ -5,44 +5,49 @@
# Requires the programs (cpio, gzip, and the pager more or less).
#
usage() {
-echo "Usage: unrpm -l package.rpm <List contents of rpm package>"
-echo " unrpm -x package.rpm /foo/boo <Extract rpm package to this directory,"
-echo " put . for current directory>"
-exit
+ cat <<EOF
+Usage: unrpm -l package.rpm <List contents of rpm package>
+ unrpm -x package.rpm /foo/boo <Extract rpm package to this directory,
+ put . for current directory>
+EOF
+ exit
}
rpm=$2
exist() {
-if [ "$rpm" = "" ]; then
-usage
-elif [ ! -s "$rpm" ]; then
-echo "Can't find $rpm!"
-exit
-fi
+ if [ -z "${rpm}" ]; then
+ usage
+ elif [ ! -s "${rpm}" ]; then
+ echo "Can't find ${rpm}!"
+ exit 1
+ fi
}
-if [ "$1" = "" ]; then
-usage
+if [ -z "$1" ]; then
+ usage
elif [ "$1" = "-l" ]; then
-exist
-type more >/dev/null 2>&1 && pager=more
-type less >/dev/null 2>&1 && pager=less
-[ "$pager" = "" ] && echo "No pager found!" && exit
-(echo -e "\nPress enter to scroll, q to Quit!\n" ; rpm2cpio $rpm | cpio -tv --quiet) | $pager
-exit
+ exist
+ type more >/dev/null 2>&1 && pager=more
+ type less >/dev/null 2>&1 && pager=less
+ [ "$pager" = "" ] && echo "No pager found!" && exit
+ (
+ printf "\nPress enter to scroll, q to Quit!\n\n"
+ rpm2cpio "${rpm}" | cpio -tv --quiet
+ ) | ${pager}
+ exit
elif [ "$1" = "-x" ]; then
-exist
-if [ "$3" = "" ]; then
-usage
-elif [ ! -d "$3" ]; then
-echo "No such directory $3!"
-exit
-fi
-rpm2cpio $rpm | (umask 0 ; cd $3 ; cpio -idmuv) || exit
-echo
-echo "Extracted $rpm to $3!"
-exit
+ exist
+ if [ -z "$3" ]; then
+ usage
+ elif [ ! -d "$3" ]; then
+ echo "No such directory $3!"
+ exit 1
+ fi
+ rpm2cpio "${rpm}" | (umask 0 ; cd "$3" ; cpio -idmuv) || exit
+ echo
+ echo "Extracted ${rpm} to $3!"
+ exit
else
-usage
+ usage
fi