Yes no

inquire ()  {
  echo  -n "$1 [y/n]? "
  read answer
  finish="-1"
  while [ "$finish" = '-1' ]
  do
    finish="1"
    if [ "$answer" = '' ];
    then
      answer=""
    else
      case $answer in
        y | Y | yes | YES ) answer="y";;
        n | N | no | NO ) answer="n";;
        *) finish="-1";
           echo -n 'Invalid response -- please reenter:';
           read answer;;
       esac
    fi
  done
}

... other stuff

inquire "Install now?"

...

Source: stackoverflow.com

Similar codes

0 vote331 views1 answer
Linux find ip of other computers on network
Shell/Bash
3 votes343 views3 answers
Shutdown heroku app
Shell/Bash
0 vote370 views1 answer
How to link certbot to bin dir in ubuntu
Shell/Bash
0 vote327 views1 answer
@react-navigation/bottom-tabs install
Shell/Bash
1 vote357 views3 answers
Kill process by name
Shell/Bash
1 vote310 views1 answer
Reset one branch onto another
Shell/Bash
1 vote310 views1 answer
Getcomposer
Shell/Bash
0 vote296 views1 answer
Cp with folder structure
Shell/Bash
10 votes318 views3 answers
! [rejected] master -> master (fetch first) error: failed to push some refs to 'https://github.com/Armandres30/Xpath.git'
Shell/Bash
0 vote319 views1 answer
Powershell search array
Shell/Bash