typing

#!/bin/bash
unset password
prompt="Enter Password:"
while IFS= read -p "$prompt" -r -s -n 1 char
do
    if [[ $char == $'\0' ]]
    then
        break
    fi
    prompt='*'
    password+="$char"
done
echo
echo "Done. Password=$password"

#!/bin/bash unset password prompt="Enter Password:" while IFS= read -p "$prompt" -r -s -n 1 char do if [[ $char == $'\0' ]] then break fi prompt='*' password+="$char" done echo echo "Done. Password=$password"