How to use functions in a BASH shell script

BASH can deal with simple functions, and they are defined like this:

# this defines the function
function testing {
    echo "Hi there!"
}

# this calls our function
testing

As far as I know, BASH functions cannot take or return parameters.





Jay is the CEO and founder of WP Hosting, a boutique style managed WordPress hosting and support service. He has been working with Plesk since version 9 and is a qualified Parallels Automation Professional. In his spare time he likes to develop iOS apps and WordPress plugins, or draw on tablet devices. He blogs about his coding journey at http://wpguru.co.uk and http://pinkstone.co.uk.