added transfer.sh as subcommand

src/paperctl.sh

@@ -12,7 +12,8 @@ show_help(){
 	echo "  -y      | Answer all questions with yes"
 	echo ""
 	echo "-- MODES --"
-	echo "  access  | control over remote access to the device (mac-based-filtering using nftables)"
+	echo "  access    | control over remote access to the device (mac-based-filtering using nftables)"
+	echo "  transfer  | simplified file-transfer with backup-option"
 	exit 0
 }
 
@@ -35,6 +36,19 @@ if [[ "$1" == "access" ]]; then
     exit 0
 fi
 
+if [[ "$1" == "transfer" ]]; then
+
+    shift
+
+    if [[ -x "./sub/transfer.sh" ]]; then
+        ./sub/transfer.sh "$@"
+    else
+        echo "Command 'transfer' not found!" >&2
+        exit 1
+    fi
+    exit 0
+fi
+
 while getopts ":cyhv" opt; do
 	case $opt in
 		c) print_config ;;