diff --git a/RESOURCES/OPTIONS/app_images/app_images.sh b/RESOURCES/OPTIONS/app_images/app_images.sh
index c0efff0..55ce5ec 100755
--- a/RESOURCES/OPTIONS/app_images/app_images.sh
+++ b/RESOURCES/OPTIONS/app_images/app_images.sh
@@ -11,7 +11,7 @@ if [ $# != 2 ]; then
 fi
 
 project_root="$1"
-image_set=$(echo "$2" | sed -e 's/^"//' -e 's/"$//')
+image_set="$2"
 
 # check the project root folder
 if [ ! -d "$project_root" ]; then
diff --git a/RESOURCES/OPTIONS/boot_resource/boot_resource.sh b/RESOURCES/OPTIONS/boot_resource/boot_resource.sh
index 64bba68..0887727 100755
--- a/RESOURCES/OPTIONS/boot_resource/boot_resource.sh
+++ b/RESOURCES/OPTIONS/boot_resource/boot_resource.sh
@@ -11,7 +11,7 @@ if [ $# != 2 ]; then
 fi
 
 project_root="$1"
-boot_resource=$(echo "$2" | sed -e 's/^"//' -e 's/"$//')
+boot_resource="$2"
 
 # check the project root folder
 if [ ! -d "$project_root" ]; then
diff --git a/RESOURCES/OPTIONS/custom_update/custom_update.sh b/RESOURCES/OPTIONS/custom_update/custom_update.sh
index edde343..14a75d1 100755
--- a/RESOURCES/OPTIONS/custom_update/custom_update.sh
+++ b/RESOURCES/OPTIONS/custom_update/custom_update.sh
@@ -11,7 +11,7 @@ if [ $# != 2 ]; then
 fi
 
 project_root="$1"
-public_key=$(echo "$2" | sed -e 's/^"//' -e 's/"$//')
+public_key="$2"
 
 # check the project root folder
 if [ ! -d "$project_root" ]; then
diff --git a/RESOURCES/OPTIONS/fswebcam/fswebcam.sh b/RESOURCES/OPTIONS/fswebcam/fswebcam.sh
index 1cb89bf..4f8e230 100755
--- a/RESOURCES/OPTIONS/fswebcam/fswebcam.sh
+++ b/RESOURCES/OPTIONS/fswebcam/fswebcam.sh
@@ -11,7 +11,7 @@ if [ $# != 2 ]; then
 fi
 
 project_root="$1"
-fswebcam_package=$(echo "$2" | sed -e 's/^"//' -e 's/"$//')
+fswebcam_package="$2"
 
 # check the required tools
 TOOL_LIST=("unzip")
diff --git a/RESOURCES/OPTIONS/kobra_unleashed/kobra_unleashed.sh b/RESOURCES/OPTIONS/kobra_unleashed/kobra_unleashed.sh
index 5cac4d5..36bcdcb 100755
--- a/RESOURCES/OPTIONS/kobra_unleashed/kobra_unleashed.sh
+++ b/RESOURCES/OPTIONS/kobra_unleashed/kobra_unleashed.sh
@@ -13,7 +13,7 @@ if [ $# != 2 ]; then
 fi
 
 def_target="$1/unpacked/squashfs-root/app/app"
-def_url=$(echo "$2" | sed -e 's/^"//' -e 's/"$//')
+def_url="$2"
 
 # check the input file
 if [ ! -f "$def_target" ]; then
diff --git a/RESOURCES/OPTIONS/opkg/opkg.sh b/RESOURCES/OPTIONS/opkg/opkg.sh
index 332c682..e5b4c30 100755
--- a/RESOURCES/OPTIONS/opkg/opkg.sh
+++ b/RESOURCES/OPTIONS/opkg/opkg.sh
@@ -11,7 +11,7 @@ if [ $# != 2 ]; then
 fi
 
 project_root="$1"
-opkg_package=$(echo "$2" | sed -e 's/^"//' -e 's/"$//')
+opkg_package="$2"
 
 # check the required tools
 TOOL_LIST=("unzip")
diff --git a/RESOURCES/OPTIONS/root_access/root_access.sh b/RESOURCES/OPTIONS/root_access/root_access.sh
index 394f88d..ed1137f 100755
--- a/RESOURCES/OPTIONS/root_access/root_access.sh
+++ b/RESOURCES/OPTIONS/root_access/root_access.sh
@@ -11,7 +11,7 @@ if [ $# != 2 ]; then
 fi
 
 project_root="$1"
-password_hash=$(echo "$2" | sed -e 's/^"//' -e 's/"$//')
+password_hash="$2"
 
 # check the project root folder
 if [ ! -d "$project_root" ]; then
diff --git a/RESOURCES/OPTIONS/ssh/ssh.sh b/RESOURCES/OPTIONS/ssh/ssh.sh
index 7e157da..d242838 100755
--- a/RESOURCES/OPTIONS/ssh/ssh.sh
+++ b/RESOURCES/OPTIONS/ssh/ssh.sh
@@ -11,7 +11,7 @@ if [ $# != 2 ]; then
 fi
 
 project_root="$1"
-ssh_package=$(echo "$2" | sed -e 's/^"//' -e 's/"$//')
+ssh_package="$2"
 
 # check the required tools
 TOOL_LIST=("unzip")
diff --git a/RESOURCES/OPTIONS/startup_script/startup_script.sh b/RESOURCES/OPTIONS/startup_script/startup_script.sh
index 0c338e4..3833836 100755
--- a/RESOURCES/OPTIONS/startup_script/startup_script.sh
+++ b/RESOURCES/OPTIONS/startup_script/startup_script.sh
@@ -6,16 +6,16 @@ NC='\033[0m'
 
 # check the parameters
 if [ $# != 2 ]; then
-    echo "usage : $0 <project_root> <startup_script_package>"
+    echo "usage : $0 <project_root> <startup_script>"
     exit 1
 fi
 
 project_root="$1"
-startup_script_package=$(echo "$2" | sed -e 's/^"//' -e 's/"$//')
+startup_script="$2"
 
-# Check if startup.sh is available
-if [ ! -f "$project_root/RESOURCES/OPTIONS/startup_script/startup.sh" ]; then
-    echo -e "${RED}ERROR: Cannot find the file 'startup.sh' ${NC}"
+# Check if $startup_script is available
+if [ ! -f "$project_root/RESOURCES/OPTIONS/startup_script/$startup_script" ]; then
+    echo -e "${RED}ERROR: Cannot find the file '$startup_script' ${NC}"
     exit 2
 fi
 
@@ -35,10 +35,10 @@ fi
 mkdir -p "$project_root/unpacked/squashfs-root/etc/ssl/certs"
 cp -rf "$project_root/RESOURCES/KEYS/mosquitto"/* "$project_root/unpacked/squashfs-root/etc/ssl/certs"
 
-# Move startup.sh to project root/unpacked/squashfs-root/etc
-cp -rf "$project_root/RESOURCES/OPTIONS/startup_script/startup.sh" "$project_root/unpacked/squashfs-root/etc"
+# Move $startup_script to project root/unpacked/squashfs-root/etc
+cp -rf "$project_root/RESOURCES/OPTIONS/startup_script/$startup_script" "$project_root/unpacked/squashfs-root/etc"
 
-# Add /etc/startup.sh to $project_root/unpacked/squashfs-root/etc/rc.local before the exit 0 line
-sed -i '/exit 0/i /etc/startup.sh' "$project_root/unpacked/squashfs-root/etc/rc.local"
+# Add /etc/$startup_script to $project_root/unpacked/squashfs-root/etc/rc.local before the exit 0 line
+sed -i "/exit 0/i /etc/$startup_script" "$project_root/unpacked/squashfs-root/etc/rc.local"
 
 exit 0
diff --git a/RESOURCES/OPTIONS/uart/uart.sh b/RESOURCES/OPTIONS/uart/uart.sh
index 5ec6f84..d4a665b 100755
--- a/RESOURCES/OPTIONS/uart/uart.sh
+++ b/RESOURCES/OPTIONS/uart/uart.sh
@@ -11,7 +11,7 @@ if [ $# != 2 ]; then
 fi
 
 project_root="$1"
-uart_package=$(echo "$2" | sed -e 's/^"//' -e 's/"$//')
+uart_package="$2"
 
 # check the required tools
 TOOL_LIST=("unzip")
diff --git a/RESOURCES/OPTIONS/webcam/webcam.sh b/RESOURCES/OPTIONS/webcam/webcam.sh
index 1ed2bdc..d0222ec 100755
--- a/RESOURCES/OPTIONS/webcam/webcam.sh
+++ b/RESOURCES/OPTIONS/webcam/webcam.sh
@@ -11,7 +11,7 @@ if [ $# != 2 ]; then
 fi
 
 project_root="$1"
-webcam_package=$(echo "$2" | sed -e 's/^"//' -e 's/"$//')
+webcam_package="$2"
 
 # check the required tools
 TOOL_LIST=("unzip")
diff --git a/options.cfg b/options.cfg
index 2405667..134b2f4 100644
--- a/options.cfg
+++ b/options.cfg
@@ -43,7 +43,7 @@ ssh="dropbear"
 # Replace the URL below with the URL of your MQTT server
 # You also need to transfer to the printer your keys in
 # the /user folder by ssh as explained in the project page
-# kobra_unleashed="localhost.mr-a.de"
+#kobra_unleashed="localhost.mr-a.de"
 
 # Replace some of the app images
 #app_images="set1"