Changeset 3621 in MondoRescue for branches/3.3/mindi-busybox/examples/undeb

Timestamp:

Dec 20, 2016, 4:07:32 PM (7 years ago)

Author:

Bruno Cornec

Message:

New 3?3 banch for incorporation of latest busybox 1.25. Changing minor version to handle potential incompatibilities.

Location:

branches/3.3

Files:

• . (copied) (copied from branches/3.2 )
• mindi-busybox/examples/undeb (modified) (2 diffs)

branches/3.3/mindi-busybox/examples/undeb

@@ -6 +6 @@
 #
 usage() {
-echo "Usage: undeb -c package.deb            <Print control file info>"
-echo "       undeb -l package.deb            <List contents of deb package>"
-echo "       undeb -x package.deb /foo/boo   <Extract deb package to this directory,"
-echo "                                        put . for current directory>"
-exit
+    cat <<EOF
+Usage: undeb -c package.deb            <Print control file info>
+       undeb -l package.deb            <List contents of deb package>
+       undeb -x package.deb /foo/boo   <Extract deb package to this directory,
+                                        put . for current directory>
+EOF
+    exit
 }
 
@@ -16 +18 @@
 
 exist() {
-if [ "$deb" = "" ]; then
-usage
-elif [ ! -s "$deb" ]; then
-echo "Can't find $deb!"
-exit
-fi
+    if [ -z "${deb}" ]; then
+        usage
+    elif [ ! -s "${deb}" ]; then
+        echo "Can't find ${deb}!"
+        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
-(ar -p $deb control.tar.gz | tar -xzO *control ; echo -e "\nPress enter to scroll, q to Quit!\n" ; ar -p $deb data.tar.gz | tar -tzv) | $pager
-exit
+    exist
+    type more >/dev/null 2>&1 && pager=more
+    type less >/dev/null 2>&1 && pager=less
+    [ -z "${pager}" ] && echo "No pager found!" && exit 1
+    (
+        ar -p "${deb}" control.tar.gz | tar -xzO *control
+        printf "\nPress enter to scroll, q to Quit!\n\n"
+        ar -p "${deb}" data.tar.gz | tar -tzv
+    ) | ${pager}
+    exit
 elif [ "$1" = "-c" ]; then
-exist
-ar -p $deb control.tar.gz | tar -xzO *control
-exit
+    exist
+    ar -p "${deb}" control.tar.gz | tar -xzO *control
+    exit
 elif [ "$1" = "-x" ]; then
-exist
-if [ "$3" = "" ]; then
-usage
-elif [ ! -d "$3" ]; then
-echo "No such directory $3!"
-exit
+    exist
+    if [ -z "$3" ]; then
+        usage
+    elif [ ! -d "$3" ]; then
+        echo "No such directory $3!"
+        exit 1
+    fi
+    ar -p "${deb}" data.tar.gz | tar -xzvpf - -C "$3" || exit
+    echo
+    echo "Extracted ${deb} to $3!"
+    exit
+else
+    usage
 fi
-ar -p $deb data.tar.gz | tar -xzvpf - -C $3 || exit
-echo
-echo "Extracted $deb to $3!"
-exit
-else
-usage
-fi