erase.sh

Shall高级编程

#!/bin/bash
# erase.sh: Using "stty" to set an erase character when reading input.

echo -n "What is your name? "
read name                      #  Try to backspace
                               #+ to erase characters of input.
                               #  Problems?
echo "Your name is $name."

stty erase '#'                 #  Set "hashmark" (#) as erase character.
echo -n "What is your name? "
read name                      #  Use # to erase last character typed.
echo "Your name is $name."

exit 0

# Even after the script exits, the new key value remains set.
# Exercise: How would you reset the erase character to the default value?