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

10 votes340 views4 answers
Expo install
Shell/Bash
0 vote323 views1 answer
Curl certificate and password
Shell/Bash
1 vote304 views1 answer
Linux install java jre command line
Shell/Bash
3 votes341 views2 answers
Create new git branch and switch to it
Shell/Bash
0 vote345 views1 answer
Ubuntu command upgrade application
Shell/Bash
7 votes248 views2 answers
Powershell while loop
Shell/Bash
0 vote298 views1 answer
Uxmovemen
Shell/Bash
0 vote299 views4 answers
How to install alfa 1900 driver on ubuntu
Shell/Bash
4 votes380 views4 answers
Oh my zsh
Shell/Bash
0 vote314 views1 answer
Unrar installation using brew
Shell/Bash