List installed gems 01.05.12

  • Ruby
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  • How do I know what gems are installed on my machine?

    The command “gem list” will list all gems whose name starts with the given string. If no string is provided, all gems are listed.

    Example command:

    $ gem list act

    Command line response:

    *** LOCAL GEMS ***

    actionmailer (2.2.2)
    actionpack (2.2.2)
    activerecord (2.2.2)
    activeresource (2.2.2)
    activesupport (2.2.2)

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