Allow use as a rofi script (#68)

* Allow use as a rofi script

* fixup! Allow use as a rofi script

* fixup! Allow use as a rofi script

* fixup! Allow use as a rofi script

clipmenu

@@ -30,14 +30,28 @@ if [[ "$CM_LAUNCHER" == rofi ]]; then
     set -- -dmenu "$@"
 fi
 
+list_clips() {
+    cat "$cache_file_prefix"_* /dev/null | LC_ALL=C sort -rnk 1 | cut -d' ' -f2- | awk '!seen[$0]++'
+}
+
+if [[ "$CM_LAUNCHER" == rofi-script ]]; then
+    if ! (( $# )); then
+        list_clips
+        exit
+    else
+        # https://github.com/koalaman/shellcheck/issues/1141
+        # shellcheck disable=SC2124
+        chosen_line="${@: -1}"
+    fi
+else
     # It's okay to hardcode `-l 8` here as a sensible default without checking
     # whether `-l` is also in "$@", because the way that dmenu works allows a later
     # argument to override an earlier one. That is, if the user passes in `-l`, our
     # one will be ignored.
     chosen_line=$(
-    cat "$cache_file_prefix"_* /dev/null | LC_ALL=C sort -rnk 1 |
-        cut -d' ' -f2- | awk '!seen[$0]++' | "$CM_LAUNCHER" -l 8 "$@"
+        list_clips | "$CM_LAUNCHER" -l 8 "$@"
     )
+fi
 
 [[ $chosen_line ]] || exit 1