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


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


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


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.