$if2

Usage: $if2(a1,a2,a3,…)

Category: conditional

Description:

Returns the first non empty argument. Can be used with an arbitrary number of arguments.

Example:

The following statements will return the values indicated:

$set(foo,)
$set(bar,Something)
$if2(%foo%,%bar%,Three)    ==>  "Something"
$if2(,%bar%,Three)         ==>  "Something"
$if2(,%foo%,%bar%,Three)   ==>  "Something"
$if2(%foo%, ,%bar%,Three)  ==>  " "
$if2(%foo%.,%bar%,Three)   ==>  "."
$if2(%foo%,,Three)         ==>  "Three"
$if2(%foo%,,,)             ==>  ""