Use gzcat instead of zcat, remove .desktop/.app.

zshrc

@@ -138,7 +138,7 @@ extr() {
 				bzcat $i | tar xfv -
 				;;
 			*.tgz | *.tar.gz)
-				zcat $i | tar xfv -
+				gzcat $i | tar xfv -
 				;;
 			*.txz | *.tar.xz)
 				xzcat $i | tar xfv -
@@ -167,13 +167,6 @@ extr() {
 	done
 }
 
-run_desktop()
-{
-	for i in $@; do
-		$(grep -i "^exec=" $i | sed "s/^exec=//i")
-	done
-}
-
 sprunge() {
 	curl -F "sprunge=<-" http://sprunge.us
 }
@@ -186,9 +179,6 @@ for ext in $ARCHIVE_FORMATS; do alias -s $ext=extr; done
 [ "$VIDEO_PLAYER" ] && \
 	for ext in $VIDEO_PLAYER_FORMATS; do alias -s $ext=$VIDEO_PLAYER; done
 
-alias -s desktop=run_desktop
-alias -s app=open
-
 [ "$LS_ON_INIT" = "yes" ] && ls
 
 unset AUDIO_PLAYER VIDEO_PLAYER