X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=ex;h=ff8edb77ce5e7f01441166f1209b4b00642ad6b5;hb=af46c120676d3581ba56eff977d1c45611186178;hp=5ca021ec64c3eb9fb3494d7ef9b2015a03e2eeaf;hpb=4ef4153814624c3eb0cade2e539800747d19ecd4;p=small-misc-bash

diff --git a/ex b/ex
index 5ca021e..ff8edb7 100755
--- a/ex
+++ b/ex
@@ -15,45 +15,51 @@
 
 ex() {
     local help="Usage: ex [--help] FILE...
-Extract each FILE according to its extension.
-7z bz2 deb gz iso rar rpm tar xz zip & variations.
-See source for exact file extensions."
+Extract many types of files
+
+Based on their extensions,
+7z [tar.]bz2 deb [tar.]gz iso dsc rar rpm sfs tar xpi [tar.]xz zip Z.
+See source for exact file extensions.
+Note: dtrx (package & command) extracts most of these plus some others."
+
     if [[ $1 == --help ]]; then
         echo "$help"
     fi
     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
+            *.7z ) 7za x "$x" ;;
+            *.bz2 ) bunzip2 "$x" ;;
+            *.deb ) ar x "$x" ;;
+            *.dsc) dpkg-source -x "$x" ;;
+            *.gz ) gunzip  "$x" ;;
             *.iso )
+                local super
                 if [[ $EUID != 0 ]]; then
-                    if [[ $(sudo -v) == Sorry* ]]; then
-                        echo error: need superuser priveledge for iso file
-                        return 1
-                    fi
                     super=sudo
                 fi
                 local temp_dir=$(mktemp -d)
-                losetup -f
+                $super losetup -f
                 $super mount -o loop "$x" "$temp_dir"
                 local dir="${x%%.iso}"
                 mkdir "$dir"
-                cp -av "$temp_dir"/* "$dir"
+                cp -a "$temp_dir"/* "$dir"
                 $super umount "$temp_dir"
                 ;;
+            *.jar) jar xf "$x" ;;
             *.r[0-9][0-9]|*.rar ) unrar x "$x" ;;
-	    *)  echo "I don't kno how to extract $x";;
-	esac
+            *.rpm ) rpm2cpio "$x" | cpio --extract --make-directories ;;
+            *.sfs) $super unsquashfs "$x" ;;
+            *.tar ) tar xf "$x" ;;
+            *.tar.bz2 | *.tbz2 ) tar xjf "$x" ;;
+            *.tar.gz | *.tgz ) tar xzf "$x" ;;
+            *.tar.xz ) tar Jxf "$x" ;;
+            *.xz) xz -d "$x" ;;
+            *.Z ) uncompress "$x" ;;
+            *.zip|*.xpi ) unzip "$x" ;;
+
+            *)  echo "I don't know how to extract $x";;
+        esac
     done
 }
 ex "$@"