remove unnecessary variable

RandomVideo.sh

@@ -3,41 +3,39 @@
 
 configfile="config.json"
 
-cmdjq="$(command -v jq)"
-if [ -z "$cmdjq" ]; then
+if [ -z "$(command -v jq)" ]; then
 	echo "Missing \"jq\"!"
 	exit 1
 fi
 
-cmdgpio="$(command -v gpio)"
-if [ -z "$cmdgpio" ]; then
+if [ -z "$(command -v gpio)" ]; then
         echo "Missing \"gpio\"!"
         echo "This is a part of WiringPi-Package."
         exit 1
 fi
 
-player="$($cmdjq -r ".player" < $configfile)"
+player="$(jq -r ".player" < $configfile)"
 if [ -z "$(command -v $player)" ]; then
         echo "Missing \"$player\"!"
         exit 1
 fi
 
-folder="$($cmdjq -r ".RandomVideo | .folder" < $configfile)"
-playerparam="$($cmdjq -r ".playerparam" < $configfile)"
-pgrepplayer="$($cmdjq -r ".pgrepplayer" < $configfile)"
+folder="$(jq -r ".RandomVideo | .folder" < $configfile)"
+playerparam="$(jq -r ".playerparam" < $configfile)"
+pgrepplayer="$(jq -r ".pgrepplayer" < $configfile)"
 
-swupgpio="$($cmdjq -r ".swupgpio" < $configfile)"
+swupgpio="$(jq -r ".swupgpio" < $configfile)"
 
 playerfull="$(command -v $player) $playerparam"
-swupstat="$($cmdgpio read $swupgpio)"
+swupstat="$(gpio read $swupgpio)"
 
 if [ $# -eq 0 ]; then
-        echo "Parameter fehlt"
+        echo "Missing parameter!"
 	exit 1
 fi
 
 if [ $# -gt 1 ]; then
-	echo "Zu viele Parameter"
+	echo "To much parameters!"
 	exit 1
 fi
 
@@ -46,7 +44,7 @@ if [ "$swupstat" -eq 1 ]; then
 fi
 
 if [ "buzzer" != "$1" ] && [ "cron" != "$1" ]; then
-	echo "Parameter muss \"buzzer\" oder \"cron\" sein"
+	echo "parameters must be \"buzzer\" or \"cron\"!"
 	exit 1
 fi