Better argument handling; cleanup

sup

@@ -34,7 +34,7 @@ sup.upload() {
 		-F submit="" \
 		"$cfg_script_url" -sL -A 'zerofiles.org upload script' || { return 1; }
 
-	[[ "$flag_rm" ]] && { rm "$file"; }
+	(( "$flag_rm" )) && { rm "$file"; }
 
 	return 0
 }
@@ -57,7 +57,7 @@ sup.scrot() {
 		return 1
 	}
 
-	[[ "$flag_scrot_fullscreen" ]] || { scrot_args+=( '-s' ); }
+	(( "$flag_scrot_fullscreen" )) || { scrot_args+=( '-s' ); }
 	[[ "$cfg_scrot_delay" ]] && { scrot_args+=( "-d $cfg_scrot_delay" ); }
 
 	tmp_file="$(sup.mktemp "${cfg_tmp_dir}" ".${cfg_screenshot_ext}")"
@@ -92,32 +92,43 @@ sup.mktemp() {
 	echo "${tmp_dir}/${tmp_file_name}"
 }
 
-sup.getopt() {
-	local keys
+set_argv() {
+	declare arg opt c
+	declare -g argv
 
-	for i in "$@"; do
-		case "$i" in
-			--*) echo "$i";;
+	while (( $# )); do
+		unset -v arg opt c
 
-			-*)
-				keys=( $(echo "${i##*-}" | fold -w1) )
+		case "$1" in
+			(--) argv+=( "$1" ); break;;
+
+			(--*)
+				IFS='=' read arg opt <<< "$1"
+				argv+=( "$arg" )
 
-				if [[ "${#keys[@]}" -gt 1 ]]; then
-					for k in "${keys[@]}"; do
-						echo "-${k}"
-					done
-				else
-					echo "$i"
-				fi
+				[[ "$opt" ]] && {
+					argv+=( "$opt" )
+				}
 			;;
 
-			*) echo "$i";;
+			(-*)
+				while read -n1 c
+				do
+					case "$c" in
+						-|'') :;;
+						*) argv+=( "-$c" );;
+					esac
+				done <<< "$1"
+			;;
+
+			(*) argv+=( "$1" );;
 		esac
+		shift
 	done
 }
 
 main() {
-	local args file target flag_private flag_rm flag_scrot flag_scrot_fullscreen cfg_scrot_delay
+	declare args file target flag_private flag_rm flag_scrot flag_scrot_fullscreen cfg_scrot_delay
 
 	while [[ "$1" ]]; do
 		case "$1" in
@@ -130,19 +141,19 @@ main() {
 			
 			-h|--help|--usage) sup.usage; return;;
 
-			--) break;;
+			--) shift; break;;
 
-			*) args+=( "$1" );;
+			*) break;;
 		esac
 		shift
 	done
 
 	sup.env
 
-	if [[ "$flag_scrot" ]]; then
+	if (( flag_scrot )); then
 		file="$(sup.scrot)" || { return 1; }
 	else
-		target="${args[0]}"; [[ "$target" ]] || { sup.usage; exit 1; }
+		target="$1"; [[ "$target" ]] || { sup.usage; exit 1; }
 
 		if sup.if_url "$target"; then
 			file=$(sup.mktemp "$cfg_tmp_dir")
@@ -159,4 +170,5 @@ main() {
 	sup.upload
 }
 
-main $(sup.getopt "$@")
+set_argv "$@"
+main "${argv[@]}"