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 vote121 views1 answer
Comprimir carpeta linux comando
Shell/Bash
9 votes122 views1 answer
Ssh-copy-id windows10
Shell/Bash
1 vote141 views1 answer
Cerbot apache install
Shell/Bash
0 vote141 views1 answer
Sshpass freezing
Shell/Bash
1 vote128 views1 answer
Docker make container run forever
Shell/Bash
8 votes133 views2 answers
Brave install ubuntu
Shell/Bash
32 votes131 views6 answers
Git push to branch
Shell/Bash
2 votes125 views1 answer
Mac anydesk start at login
Shell/Bash
0 vote130 views4 answers
Brew1
Shell/Bash
2 votes132 views2 answers
How to install psql python in ubuntu
Shell/Bash