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Editorial Team
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Asked: 2026-05-27T09:25:50+00:00

Is it possible to pass multiple cmdline args to a Cakefile and capture those

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Is it possible to pass multiple cmdline args to a Cakefile and capture those values in an array? For example something like this:

option '', '--compilation-level [LEVEL]', 'Description...'
task "build", "compile js", (options)->
    compilationLevels = options['compilation-level'] || ['DEFAULT']
    if compilationLevels.length >= 2
        console.log 'multiple compiles'
    else
        console.log 'just one compile'

Then run it w/ cake --compilation-level ADVANCED_OPTIMIZATIONS --compilation-level SIMPLE_OPTIMIZATIONS build

If this is not possible then suggestions on the most optimal way to accomplish this would be greatly appreciated 🙂

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1 Answer

  1. Editorial Team

    Yep: Cake is powered by CoffeeScript’s OptionParser, which is ported from the Ruby utility of the same name. If you search the source for isList, you’ll see that an option can be used multiple times to create an array if (and only if) the regex

    OPTIONAL   = /\[(\w+(\*?))\]/

    is fully matched by the long flag name. In short: You just have to add one character to your code.

    option '', '--compilation-level [LEVEL*]', 'Description...'

    That * makes all the difference! 🙂

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