Refactored rotation in key-handler

exec/key-handler

@@ -11,13 +11,17 @@
 # where C/M/S indicate Ctrl/Meta(Alt)/Shift modifier states and KEY is the X
 # keysym as listed in /usr/include/X11/keysymdef.h without the "XK_" prefix.
 
+readonly KEY="$1"; shift
 readonly TAGFILE="$HOME/.config/sxiv/tags"
 
 rotate() {
-	case "$(file -b -i "$2")" in
-	image/jpeg*) jpegtran -rotate "$1" -copy all -outfile "$2" "$2" ;;
-	*)           mogrify  -rotate "$1" "$2" ;;
-	esac
+	degree="$1"; shift
+	for file in "$@"; do
+		case "$(file -b -i "$file")" in
+		image/jpeg*) jpegtran -rotate "$degree" -copy all -outfile "$file" "$file" ;;
+		*)           mogrify  -rotate "$degree" "$file" ;;
+		esac
+	done
 }
 
 tag_add() {
@@ -35,16 +39,13 @@ tag_del() {
 	iptckwed -r "$tags" "$@"
 }
 
-key="$1"
-shift
-
-case "$key" in
+case "$KEY" in
 "C-c")      echo -n "$@" | xsel -i ;;
 "C-e")      for file in "$@"; do urxvt -bg "#444" -fg "#eee" -sl 0 -title "$file" -e sh -c "exiv2 pr -q -pa '$file' | less" & done ;;
 "C-g")      gimp "$@" & ;;
-"C-comma")  for file in "$@"; do rotate 270 "$file"; done ;;
-"C-period") for file in "$@"; do rotate  90 "$file"; done ;;
-"C-slash")  for file in "$@"; do rotate 180 "$file"; done ;;
+"C-comma")  rotate 270 "$@" ;;
+"C-period") rotate  90 "$@" ;;
+"C-slash")  rotate 180 "$@" ;;
 "C-t")      tag_add "$@" ;;
 "M-T")      tag_del "$@" ;;
 esac