API to translate group name to group id (gid)

Posted by Wayne Conrad on Stack Overflow See other posts from Stack Overflow or by Wayne Conrad
Published on 2010-05-17T20:01:56Z Indexed on 2010/05/17 20:10 UTC
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ruby

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linux

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unix

File.chown takes an owner ID, a group ID (gid), and a filename. I want to use it to set a file's gid, but what I have is the group name. Is there anything in the standard library that I can use to translate a group name into a gid?

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