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(Quick Reference)

unless

Purpose

Renders its body conditionally, based on an expression and/or current environment. The tag renders its body unless all of the specified conditions (test and/or environment) are true. Does the opposite of what the if tag does.

Examples

<g:unless test="${name == 'fred'}">
    Hello ${name}!
</g:unless>

<g:unless env="production">
    debug: $someDebug
</g:unless>

<g:unless env="production" test="${cacheEnabled}">
    $cache.getContent('1234')
</g:unless>

Description

Attributes

  • test - The expression to test

  • env - An environment name

At least one of the attributes must be supplied. If both are supplied, they are combined using AND.