good working version of acp

[small-misc-bash] / ex

diff --git a/ex b/ex
index dcfb36910dd4c7616c430934bee6015ceefd6a01..159297b10c421a7ba8867211767e2f2d9fc61c2e 100755 (executable)
--- a/ex
+++ b/ex
@@ -14,37 +14,52 @@
 # limitations under the License.
 
 ex() {
-    local help="Usage: ex [--help] FILE ...
-Extract each FILE according to its extension."
+    local help="Usage: ex [--help] FILE...
+Extract many types of files
+
+Based on their extensions,
+7z bz2 deb gz iso dsc rar rpm tar xz zip sfs & some combinations.
+See source for exact file extensions.
+Note: apt-get install dtrx will do the same for
+most of these types, plus some more, I'm going
+to try it out sometime."
+
     if [[ $1 == --help ]]; then
         echo "$help"
     fi
-    local x
+    local x super
     for x in "$@"; do
-       case "$x" in
-           *.tar.bz2 | *.tbz2 ) tar xvjf "$x" ;;
-           *.tar.gz | *.tgz ) tar xvzf "$x" ;;
-           *.bz2 ) bunzip2 "$x" ;;
-           *.gz ) gunzip  "$x" ;;
-           *.tar ) tar xvf "$x" ;;
-           *.zip ) unzip "$x" ;;
-           *.Z ) uncompress "$x" ;;
-           *.7z ) 7za x "$x" ;;
-           *.deb ) ar xv "$x" ;;
-            *.rpm ) rpm2cpio "$x" | cpio --extract --make-directories --verbose ;;
-           *.tar.xz ) tar Jxvf "$x" ;;
+        case "$x" in
+            *.tar.bz2 | *.tbz2 ) tar xjf "$x" ;;
+            *.tar.gz | *.tgz ) tar xzf "$x" ;;
+            *.bz2 ) bunzip2 "$x" ;;
+            *.gz ) gunzip  "$x" ;;
+            *.tar ) tar xf "$x" ;;
+            *.zip ) unzip "$x" ;;
+            *.Z ) uncompress "$x" ;;
+            *.7z ) 7za x "$x" ;;
+            *.deb ) ar x "$x" ;;
+            *.rpm ) rpm2cpio "$x" | cpio --extract --make-directories ;;
+            *.tar.xz ) tar Jxf "$x" ;;
+            *.xz) xz -d "$x" ;;
             *.iso )
+                local super
+                if [[ $EUID != 0 ]]; then
+                    super=sudo
+                fi
                 local temp_dir=$(mktemp -d)
-                losetup -f
-                s mount -o loop "$x" "$temp_dir"
+                $super losetup -f
+                $super mount -o loop "$x" "$temp_dir"
                 local dir="${x%%.iso}"
                 mkdir "$dir"
-                cp -av "$temp_dir"/* "$dir"
-                s umount "$temp_dir"
+                cp -a "$temp_dir"/* "$dir"
+                $super umount "$temp_dir"
                 ;;
             *.r[0-9][0-9]|*.rar ) unrar x "$x" ;;
-           *)  echo "I don't kno how to extract $x";;
-       esac
+            *.dsc) dpkg-source -x "$x" ;;
+            *.sfs) $super unsquashfs "$x" ;;
+            *)  echo "I don't know how to extract $x";;
+        esac
     done
 }
 ex "$@"