Bash:Function

function <naam> { cmdlist }

Define a function (subroutine), must be run by the script before you can call it.

A function is called by the function name and eventual parameters. Parameters are positional like when you call a scripts ($1, $2,...). Variables that already exist when you call the functions are global.

typeset VAR=<value>

Define local variables in a function.

Functions can be made available in the loginshell by defining them in the $ENV script or by putting the script in $FPATH.

unset -f <function>

Undefine function