Linux Ask!

Linux Ask! is a Q & A web site specific for Linux related questions. Questions are collected, answered and audited by experienced Linux users.

Jul 022014
 

Trap bash exit signal

Answer:

To trap your script before exit, you can use the trap in bash, e.g.

#!/bin/bash

set -eu

function bye {
  echo "Good bye"
}

trap bye EXIT
sleep 1000 
# Quit the script by pressing Ctrl+C
May 052013
 

Move forward or backward by a word in bash shell

Answer:

To move more efficiently in bash shell, you can use the following short cuts

Meta + f (move forward by a word)
Meta + b (move backward by a word)

The Meta key is the Alt key under most systems, on Mac, you would need to enable "use option as meta key" in the Terminal's Preference.