I did not find the answer other location, so seek help here.My code need compare stop with stop this is stand bash string.pi@raspberrypi:~/Voice $ ./test.sh | morestopstopMy code:#!/bin/bashcommand=stopwhile :do  QUESTION=$(cat stt.txt) #stt,txt has command stop  echo $QUESTION  echo $command  if [ $QUESTION == $command ]; then    echo You said stop!    break  fidoneI had try different command=stop, the result is same.I try to put command=$('stop'), it's okay only one time, then it complains:./test.sh: line 2: stop: command not found.I don't know why it is suddenly stop working to set stop as command, not stop
How to compare abc with abc in a shell script?
shell script;variable;test