fixes

create_retroarch_thumbnails_all.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+function help_message() {
+    echo "$USAGE"
+    echo
+    echo "Where [SYSTEMS] are:"
+    for WORD in $SYSTEMS; do
+        echo -e "\t$WORD"
+    done
+}
+
+readonly USAGE="
+USAGE:
+$(basename "$0") [ROM_FOLDER] [THUMBNAILS_FOLDER]"
+
+readonly SYSTEMS="atari2600 atari7800 atarilynx coleco dreamcast fds gamegear gb gba gbc mastersystem megadrive msx n64 nds nes ngp ngpc pcengine psp psx saturn sega32x segacd snes virtualboy wonderswan wonderswancolor"
+
+# check if there are all the parameters
+if [ "$#" -ne 2 ]; then
+    help_message
+    exit 0
+fi
+
+if ! test -d "${ROM_FOLDER}"/"${SYSTEM}"; then
+    echo "${ROM_FOLDER}"/"${SYSTEM}" does not exists
+    exit 0
+fi
+
+#readonly SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+readonly ROM_FOLDER="$1"
+readonly THUMBNAILS_FOLDER="$2"
+readonly SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+readonly SYSTEMS="atari2600 atari7800 atarilynx coleco dreamcast fds gamegear gb gba gbc mastersystem megadrive msx n64 nds nes ngp ngpc pcengine psp psx saturn sega32x segacd sg-1000 snes virtualboy wonderswan wonderswancolor"
+
+for SYSTEM in $SYSTEMS; do
+    "${SCRIPT_DIR}"/create_retroarch_thumbnails.sh "${SYSTEM}" "${ROM_FOLDER}" "${THUMBNAILS_FOLDER}"
+done