Disabling user input during an infinite loop in bash

Question

I have this bash script which basically starts the web and selenium servers with progress indicator. Since it takes some time to selenium server to start I\'m checking the statu

Answer 1

The stty invocations are from http://www.unix.com/shell-programming-and-scripting/84624-nonblocking-i-o-bash-scripts.html

This still respects Ctrl-C, but doesn't show input, and consumes it so it's not left for the shell.

#!/bin/bash

hideinput()
{
  if [ -t 0 ]; then
     stty -echo -icanon time 0 min 0
  fi
}

cleanup()
{
  if [ -t 0 ]; then
    stty sane
  fi
}

trap cleanup EXIT
trap hideinput CONT
hideinput
n=0
while test $n -lt 10
do
  read line
  sleep 1
  echo -n "."
  n=$[n+1]
done
echo

Answer 2

Use stty to turn off keyboard input.

stty -echo
#### Ur Code here ####
stty echo

-echo turns off keyboard input and stty echo reenables keyboard input.