diff --git a/RAM.sh b/RAM.sh
new file mode 100755
index 0000000..6c41010
--- /dev/null
+++ b/RAM.sh
@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+
+function RAM(){
+	local OUT_FILE=$1
+	# Read RAM information
+	ram_info=$(sudo dmidecode -t memory)
+	# Get memory type
+	ram_type=$(echo "$ram_info" | awk -F': ' '/^[[:space:]]*Type:/ && $2 !~ /Unknown/ {print $2; exit}')
+	# Get module sizes
+	modules=$(echo "$ram_info" | awk '
+	/^[[:space:]]*Size:/ {
+    	if ($0 !~ /No Module Installed/ && $2 ~ /^[0-9]+$/)
+        	print $2
+	}
+	')	
+	# Count empty slots
+	empty_slots=$(echo "$ram_info" | awk '
+	/^[[:space:]]*Size:/ {
+    	if ($0 ~ /No Module Installed/)
+        	count++
+	}
+	END {
+    		print count+0
+	}
+	')
+	
+	# Calculate total RAM and format modules
+	total=0
+	sizes=""
+
+	for size in $modules; do
+    		total=$((total + size))
+    		if [ -z "$sizes" ]; then
+        		sizes="${size} GB"
+    		else
+        		sizes="${sizes} + ${size} GB"
+    		fi
+	done
+
+	# Output
+	if [ -z "$modules" ]; then
+    		echo -e "RAM: No modules detected - ${empty_slots} empty slots ${ram_type}" >>"$OUT_FILE"
+	else
+    		echo -e "RAM: ${total} GB - ${sizes} ${ram_type} - ${empty_slots} empty slots" >>"$OUT_FILE"
+	fi 
+}
\ No newline at end of file
diff --git a/battery.sh b/battery.sh
index a485fcc..c73f311 100755
--- a/battery.sh
+++ b/battery.sh
@@ -1,25 +1,30 @@
 #!/bin/bash
 
-for b in /sys/class/power_supply/BAT*; do
-    [ -d "$b" ] && BATTERY="$b" && break
-done
+function BATTERY(){
+	local OUT_FILE=$1
+	for b in /sys/class/power_supply/BAT*; do
+		[ -d "$b" ] && BATTERY="$b" && break
+	done
 
-if [ -z "$BATTERY" ]; then
-	echo "Kein akku gefunden"
-	return 1
-fi
+	if [ -z "$BATTERY" ]; then
+		echo -e "Kein akku gefunden">>"$OUT_FILE"
+		return 1
+	fi
 
-if [ -f "$BATTERY/capacity" ]; then
-	CAPACITY=$(cat "$BATTERY/capacity")
-else
-	echo "Akku kann nicht gelesen werden"
-	return 1
-fi
+	if [ -f "$BATTERY/capacity" ]; then
+		CAPACITY=$(cat "$BATTERY/capacity")
+	else
+		echo -e "Akku kann nicht gelesen werden">>"$OUT_FILE"
+		return 1
+	fi
 
-if [ "$CAPACITY" -gt 0 ]; then
-	echo "Akku bei $CAPACITY % "
-	return 0
-else
-	echo "Akkustand 0%, prüfen"
-	return 1
-fi
+	if [ "$CAPACITY" -gt 0 ]; then
+		echo -e "Akku bei $CAPACITY % ">>"$OUT_FILE"
+		return 0
+	else
+		echo -e "Akkustand 0%, prüfen">>"$OUT_FILE"
+		return 1
+	fi
+
+
+}
diff --git a/camera.sh b/camera.sh
index ed67301..ad0dc76 100644
--- a/camera.sh
+++ b/camera.sh
@@ -1,13 +1,14 @@
 #!/bin/bash
 
-snapshot >/dev/null 2>&1 & disown
+function CAMERA(){
+	local OUT_FILE=$1
+	snapshot >/dev/null 2>&1 & disown
+	read -p "Funktioniert Kamera? Snapshot öffnet sich - (y/n): " answer
+	#output	
+	if [[ "$answer" == [Yy] ]]; then
+    		echo -e "Kamera:\t Ja"  >>"$OUT_FILE"
+	else
+    		echo -e "Kamera:\t Nein"  >>"$OUT_FILE"
+	fi
 
-read -p "Funktioniert Kamera? Snapshot öffnet sich - (y/n): " answer
-
-if [[ "$answer" == [Yy] ]]; then
-    return 0
-elif [[ "$answer" == [Nn] ]]; then
-    return 1
-else
-    return 1
-fi
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/lan.sh b/lan.sh
index 0614116..06b4639 100644
--- a/lan.sh
+++ b/lan.sh
@@ -1,29 +1,27 @@
 #!/bin/bash
 
-for iface in /sys/class/net/*; do
-    iface_name=$(basename "$iface")
-#echo "${iface_name:0:2}"
+function LAN_CABLE(){
+	for iface in /sys/class/net/*; do
+    		iface_name=$(basename "$iface")
+		if [[ "$iface_name" == "lo" ]]; then
+        		continue
+    		fi
 
-    # Skip loopback
-    if [[ "$iface_name" == "lo" ]]; then
-        continue
-    fi
+		if [[ "${iface_name:0:2}" == "wl" ]]; then
+        		continue
+    		fi
 
-    if [[ "${iface_name:0:2}" == "wl" ]]; then
-        continue
-    fi
 
-    # Check if carrier file exists (only for physical interfaces)
-    if [[ -f "$iface/carrier" ]]; then
-        carrier=$(cat "$iface/carrier")
+		if [[ -f "$iface/carrier" ]]; then
+        		carrier=$(cat "$iface/carrier")
 
-        if [[ "$carrier" == "1" ]]; then
-            echo "Bitte LAN Kabel entfernen"
-	    read -n 1 -s -r -p "Any key to continue"
-            return 0
-        fi
-    fi
-done
-
-echo "LAN cable is NOT connected"
-return 1
\ No newline at end of file
+        		if [[ "$carrier" == "1" ]]; then
+            			echo "Bitte LAN Kabel entfernen"
+	    			read -n 1 -s -r -p "Any key to continue"
+            			return 0
+        		fi
+    		fi
+	done
+	echo "LAN cable is NOT connected"
+	return 1
+}
\ No newline at end of file
diff --git a/model.sh b/model.sh
new file mode 100644
index 0000000..958baae
--- /dev/null
+++ b/model.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+function MODEL(){
+	local OUT_FILE=$1
+	MODEL=$(cat /sys/class/dmi/id/product_name)
+	echo -e "Model:\t$MODEL"  >>"$OUT_FILE"
+	sudo hostnamectl set-hostname "csr-$MODEL"
+}
+
+function CPU(){
+	local OUT_FILE=$1
+	CPUModel=$(cat /proc/cpuinfo | grep "model name" | head -1 | cut -d: -f2- |  sed 's/^[[:space:]]*//' )
+	echo -e "CPU:\t$CPUModel" >>"$OUT_FILE"
+}
\ No newline at end of file
diff --git a/screen.sh b/screen.sh
index 10932b9..c8ed67e 100644
--- a/screen.sh
+++ b/screen.sh
@@ -1,33 +1,38 @@
 #!/bin/bash
 
-# Get primary display name
-display=$(xrandr --query | awk '/ connected primary/{print $1}')
+function SCREEN(){
+	local OUT_FILE=$1
+	# Get primary display name
+	display=$(xrandr --query | awk '/ connected primary/{print $1}')
+	# If no primary, use first connected
+	if [ -z "$display" ]; then
+    		display=$(xrandr --query | awk '/ connected/{print $1; exit}')
+	fi
 
-# If no primary, use first connected
-if [ -z "$display" ]; then
-    display=$(xrandr --query | awk '/ connected/{print $1; exit}')
-fi
+	if [ -z "$display" ]; then
+    		echo -e "No connected display found." >>"$OUT_FILE"
+    		exit 1
+	fi
 
-if [ -z "$display" ]; then
-    echo "No connected display found."
-    exit 1
-fi
+	# Get physical dimensions line for that display
+	dim_line=$(xrandr --query | grep "^$display connected")
 
-# Get physical dimensions line for that display
-dim_line=$(xrandr --query | grep "^$display connected")
+	# Extract width and height in mm
+	width_mm=$(echo "$dim_line" | sed -n 's/.* \([0-9]\+\)mm x \([0-9]\+\)mm.*/\1/p')
+	height_mm=$(echo "$dim_line" | sed -n 's/.* \([0-9]\+\)mm x \([0-9]\+\)mm.*/\2/p')
 
-# Extract width and height in mm
-width_mm=$(echo "$dim_line" | sed -n 's/.* \([0-9]\+\)mm x \([0-9]\+\)mm.*/\1/p')
-height_mm=$(echo "$dim_line" | sed -n 's/.* \([0-9]\+\)mm x \([0-9]\+\)mm.*/\2/p')
 
-if [ -z "$width_mm" ] || [ -z "$height_mm" ]; then
-    echo "Could not determine physical screen size."
-    exit 1
-fi
+	if [ -z "$width_mm" ] || [ -z "$height_mm" ]; then
+		echo -e "Could not determine physical screen size." >>"$OUT_FILE"
+		exit 1
+	fi
 
-# Calculate diagonal in mm
-diagonal_mm=$(echo "scale=4; sqrt($width_mm^2 + $height_mm^2)" | bc -l)
 
-# Convert to inches
-diagonal_in=$(echo "scale=2; $diagonal_mm / 25.4" | bc -l)
-return ${diagonal_in%.*}
\ No newline at end of file
+	# Calculate diagonal in mm
+	diagonal_mm=$(echo "scale=4; sqrt($width_mm^2 + $height_mm^2)" | bc -l)
+
+	# Convert to inches
+	diagonal_in=$(echo "scale=2; $diagonal_mm / 25.4" | bc -l)
+	echo -e "Screen:\t ${diagonal_in%.*}" >>"$OUT_FILE"	
+	return 0
+}
\ No newline at end of file
diff --git a/speaker.sh b/speaker.sh
index d3984b6..ddded73 100755
--- a/speaker.sh
+++ b/speaker.sh
@@ -1,13 +1,13 @@
 #!/bin/bash
 
-audacious ./stereo_test.mp3 >/dev/null 2>&1 & disown
+function SPEAKER(){
+	local OUT_FILE=$1
+	audacious ./stereo_test.mp3 >/dev/null 2>&1 & disown
+	read -p "Funktioniert Sound? Audacios öffnet sich - (y/n): " answer
+	if [[ "$answer" == [Yy] ]]; then
+		echo -e "Speaker:\t Ja"  >>"$OUT_FILE"
+	else
+    		echo -e "Speaker:\t Nein"  >>"$OUT_FILE"
+	fi
 
-read -p "Funktioniert Sound? Audacios öffnet sich - (y/n): " answer
-
-if [[ "$answer" == [Yy] ]]; then
-    return 0
-elif [[ "$answer" == [Nn] ]]; then
-    return 1
-else
-    return 1
-fi
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/test.sh b/test.sh
index 5d899d8..40edf0e 100755
--- a/test.sh
+++ b/test.sh
@@ -5,87 +5,31 @@ DIR="${BASH_SOURCE%/*}"
 DESKTOP_PATH=$(xdg-user-dir DESKTOP)
 OUT="$DESKTOP_PATH/device_info.txt"
 source drives.sh
+source RAM.sh
+source camera.sh
+source speaker.sh
+source wifi.sh
+source lan.sh
+source screen.sh
+source battery.sh
+source model.sh
 
 if [[ ! -d "$DIR" ]]; then DIR="$PWD"; fi
 
-get_cpu_model () {
-	CPUModel=$(cat /proc/cpuinfo | grep "model name" | head -1 | cut -d: -f2- |  sed 's/^[[:space:]]*//' )
-}
 
-get_model () {
-MODEL=$(cat /sys/class/dmi/id/product_name)
-}
+LAN_CABLE
 
-get_RAM () {
-LANGUAGE="${LC_MESSAGES:-$LANG}"
-
-
-if [[ "$LANGUAGE" == de* ]]; then
-    TOTAL_MEM=$(free -g | grep Speicher: | awk '{print $2}')
-elif [[ "$LANGUAGE" == en* ]]; then
-    TOTAL_MEM=$(free -g | awk '/^Mem:/ {print $2}')
-fi
-
-}
-
-. "$DIR/lan.sh"
-get_cpu_model
-get_model
-get_RAM
-sudo hostnamectl set-hostname "csr-$MODEL"
-clear
 echo -e "$(date -I)" >"$OUT"
-echo -e "CPU:\t$CPUModel" >>"$OUT"
-echo -e "Model:\t$MODEL"  >>"$OUT"
-echo -e "RAM:\t$TOTAL_MEM GB" >> "$OUT"
-
-. "$DIR/camera.sh"
-retval=$?
-if [ "$retval" == 0 ]
-then
-	echo -e "Kamera:\t Ja"  >>"$OUT"
-else
-	echo -e "Kamera:\t Nein"  >>"$OUT"
-fi
-
-
-. "$DIR/speaker.sh"
-retval=$?
-if [ "$retval" == 0 ]
-then
-	echo -e "Speaker:\t Ja"  >>"$OUT"
-else
-	echo -e "Speaker:\t Nein"  >>"$OUT"
-fi
-
-. "$DIR/wifi.sh"
-retval=$?
-if [ "$retval" == 0 ] ; then
-	echo -e "WIFI:\t Ja"  >>"$OUT"
-else
-	echo -e "WIFI:\t Nein"  >>"$OUT"
-fi
-
-. "$DIR/screen.sh"
-
-in_retval=$?
-if [ "$in_retval" != 0 ]
-then
-	echo -e "Screen:\t $in_retval"  >>"$OUT"
-else
-	echo -e "Screen check failed"  >>"$OUT"
-fi
-
-#clear
-. "$DIR/battery.sh"
-retval=$?
-if [ "$retval" == 0 ];then
-	echo -e "AKKU:\t Ja"  >>"$OUT"
-else
-	echo -e "AKKU:\t Nein"  >>"$OUT"
-fi
 
+MODEL $OUT
+CPU $OUT
+CAMERA $OUT
+SPEAKER $OUT
+WIFI $OUT
+SCREEN $OUT
+BATTERY $OUT
 drives $OUT
+RAM $OUT
 
 cat "$OUT"
 
diff --git a/wifi.sh b/wifi.sh
index af7ec2d..b61d8ce 100644
--- a/wifi.sh
+++ b/wifi.sh
@@ -1,65 +1,66 @@
 #!/bin/bash
 
-SSID="CSR_Gastzugang"
-PASSWORD="CSR_2021"
+function WIFI(){
+	local OUT_FILE=$1
+	SSID="CSR_Gastzugang"
+	PASSWORD="CSR_2021"
+	#delete network to safely test
+	nmcli connection delete $SSID 
+	if [[ -z "$SSID" || -z "$PASSWORD" ]]; then
+  		echo "Usage: $0 <SSID> <PASSWORD>"
+		echo -e "WIFI:\t Nein"  >>"$OUT_FILE"
+  		return 1
+	fi
+	echo "Verbinde: $SSID ..."
+	nmcli dev wifi connect "$SSID" password "$PASSWORD" >/dev/null 2>&1
+	if [[ $? -ne 0 ]]; then
+  		echo "Verbinding fehlgeschlagen $SSID"
+		echo -e "WIFI:\t Nein"  >>"$OUT_FILE"
+  		return 2
+	fi
 
-nmcli connection delete $SSID #delete network to safely test
+	echo "Verbindsaufbau..."
+	# Wait up to 15 seconds for connection
+	for i in {1..15}; do
+		STATE=$(nmcli -t -f WIFI g)
+		if [[ "$STATE" == "enabled" ]]; then
+			CONN=$(nmcli -t -f ACTIVE,SSID dev wifi | grep '^ja' | cut -d: -f2)
+			if [[ "$CONN" == "$SSID" ]]; then
+				echo "Verbunden mit $SSID"
+				break
+			fi
+		fi
+		sleep 1
+	done
+	if [[ "$CONN" != "$SSID" ]]; then
+  		echo "Verbindingsfehler"
+		echo -e "WIFI:\t Nein"  >>"$OUT_FILE"
+  		return 3
+	fi
 
-if [[ -z "$SSID" || -z "$PASSWORD" ]]; then
-  echo "Usage: $0 <SSID> <PASSWORD>"
-  return 1
-fi
+	echo "Teste (ping 8.8.8.8)..."
 
-echo "Verbinde: $SSID ..."
+	ping -c 3 8.8.8.8 >/dev/null 2>&1
+	PING_STATUS=$?
+	if [[ $PING_STATUS -ne 0 ]]; then
+  		echo "Kein Internet"
+		echo -e "WIFI:\t Nein"  >>"$OUT_FILE"
+  		return 4
+	fi
 
-nmcli dev wifi connect "$SSID" password "$PASSWORD" >/dev/null 2>&1
+	echo "Ping Erfolg"
 
-if [[ $? -ne 0 ]]; then
-  echo "Verbinding fehlgeschlagen $SSID"
-  return 2
-fi
+	echo "Teste HTTP..."
+	curl -s --max-time 5 https://google.com >/dev/null 2>&1
+	CURL_STATUS=$?
+	if [[ $CURL_STATUS -ne 0 ]]; then
+  		echo "HTTP fehlgeschlagen"
+		echo -e "WIFI:\t Nein"  >>"$OUT_FILE"
+  		return 5
+	fi
 
-echo "Verbindsaufbau..."
-
-# Wait up to 15 seconds for connection
-for i in {1..15}; do
-  STATE=$(nmcli -t -f WIFI g)
-  if [[ "$STATE" == "enabled" ]]; then
-    CONN=$(nmcli -t -f ACTIVE,SSID dev wifi | grep '^ja' | cut -d: -f2)
-    if [[ "$CONN" == "$SSID" ]]; then
-      echo "Verbunden mit $SSID"
-      break
-    fi
-  fi
-  sleep 1
-done
-
-if [[ "$CONN" != "$SSID" ]]; then
-  echo "Verbindingsfehler"
-  return 3
-fi
-
-echo "Teste (ping 8.8.8.8)..."
-
-ping -c 3 8.8.8.8 >/dev/null 2>&1
-PING_STATUS=$?
-
-if [[ $PING_STATUS -ne 0 ]]; then
-  echo "Kein Internet"
-  return 4
-fi
-
-echo "Ping Erfolg"
-
-echo "Teste HTTP..."
-
-curl -s --max-time 5 https://google.com >/dev/null 2>&1
-CURL_STATUS=$?
-
-if [[ $CURL_STATUS -ne 0 ]]; then
-  echo "HTTP fehlgeschlagen"
-  return 5
-fi
-
-echo "Internet funktioniert!"
-return 0
+	echo "Internet funktioniert!"
+	echo -e "WIFI:\t Ja"  >>"$OUT_FILE"
+	return 0
+	
+}
\ No newline at end of file