Add define_vars function

ecran

@@ -16,7 +16,6 @@ readonly RESET='\033[0m'
 readonly COLOR_DEBUG="${PURPLE}"
 # }}}
 
-# Functions {{{
 debug_message() {                                               # {{{
 
 	local_message="${1}"
@@ -27,9 +26,30 @@ debug_message() {                                               # {{{
 	return 0
 }
 # }}}
+define_vars() {                                                 # {{{
 
+	return_second_output_name="0"
+
+	SECOND_OUTPUT=$(xrandr | grep " connected" | grep -v "${MAIN_SCREEN}" | awk 'NR==1{ print $1 }')
+
+	debug_message "define_vars − \
+The second connected output is: ${SECOND_OUTPUT}."
+
+	return "${return_second_output_name}"
+}
+# }}}
+main() {                                                        # {{{
+
+	## Define all vars
+	define_vars
+
+}
 # }}}
 
+main
+
+# Manage arguments                                                # {{{
+# This code can't be in a function due to arguments
 case "${1}" in
 	ds | dockstation | work )
 		xrandr --output DP-1 --mode 1920x1080 --left-of "${MAIN_SCREEN:=/dev/null}" --output "${MAIN_SCREEN:=/dev/null}" --mode 1366x768
@@ -61,10 +81,13 @@ case "${1}" in
 		;;
 	* )
 		printf 'Bad argument, please use [vga|hdmi|ds|work|-|off]'
-		exit 1;;
-
+		exit 1
+		;;
 esac
 
+# }}}
+
+# Update herbstluftWM configuration
 herbstclient detect_monitors
 herbstclient reload