From: "Bartosz Dziewoński" Date: 2012-09-08T04:57:05+09:00 Subject: Re: How to patch ruby's gem before an install ? 2012/9/7 Eric Hodel : > On Sep 7, 2012, at 10:21 AM, Bartosz Dziewoński wrote: >> Also, .gem files are just ZIP archives, you can unpack them with any >> archiver and modify the contents. > > .gem files are tar files which contain (at least) a gzipped YAML file (metadata.gz, the gem spec) and a data.tar.gz (A gzipped tar file). Tools that only handle zip will not unpack them. Whoops, thanks for the correction. -- Matma Rex