setup/destination: tiny fixes

lib/setup/destination

@@ -222,18 +222,19 @@ setupDestination() {
             Leave blank if you don't want file renaming.
 	EODesc
 	initialvalue="${destinationrenamepath["$destination"]}"
-	initialvalue+="${initialvalue+/}"
+	initialvalue+=/
+	[[ $initialvalue == / ]] && unset initialvalue
 	initialvalue+="${destinationrename["$destination"]}"
+	[ -z "$initialvalue" ] && unset initialvalue
 	read						\
 		-e					\
 		${initialvalue+-i"$initialvalue"}	\
 		-p'Rename pattern: '			\
 		value
-	case "$value" in
-		*/*)
+	if [[ $value =~ / ]]
+	then
 		destinationrenamepath["$destination"]="${value%/*}"
-		;;
-	esac
+	fi
 	destinationrename["$destination"]="${value##*/}"
 	cat <<-EODesc
 
@@ -272,12 +273,13 @@ setupDestination() {
 
             This prompt will loop until an empty string is encountered.
 	EODesc
-	destinationskipmime["$destination"]="${destinationskipmime["$destination"]}|"
-	while [[ ${destinationskipmime["$destination"]} =~ / ]]
+	while [[ ${destinationskipmime["$destination"]} =~ \| ]]
 	do
 		skippedmimes+=("${destinationskipmime["$destination"]%%|*}")
 		destinationskipmime["$destination"]="${destinationskipmime["$destination"]#*|}"
 	done
+	[ -n "${destinationskipmime["$destination"]}" ]			\
+	&& skippedmimes+=("${destinationskipmime["$destination"]}")
 	count=${#skippedmimes[@]}
 	unset destinationskipmime["$destination"]
 	for (( i=0 ; 1 ; i++ ))
@@ -307,12 +309,13 @@ setupDestination() {
 
             This prompt will loop until an empty string is encountered.
 	EODesc
-	destinationcopymime["$destination"]="${destinationcopymime["$destination"]}|"
-	while [[ ${destinationcopymime["$destination"]} =~ / ]]
+	while [[ ${destinationcopymime["$destination"]} =~ \| ]]
 	do
 		copiedmimes+=("${destinationcopymime["$destination"]%%|*}")
 		destinationcopymime["$destination"]="${destinationcopymime["$destination"]#*|}"
 	done
+	[ -n "${destinationcopymime["$destination"]}" ]			\
+	&& copiedmimes+=("${destinationcopymime["$destination"]}")
 	count=${#copiedmimes[@]}
 	unset destinationcopymime["$destination"]
 	for (( i=0 ; 1 ; i++ ))