ProxiBlue/snapshot — pull request #2 by erfanimani (2014-05-21 05:24:09+00:00)
Title: Replaced zcat for gunzip -c for greater portability (OSX)

Also see http://od-eon.com/blogs/calvin/zcat-bug-mac-osx/ or https://github.com/dalibo/pgbadger/issues/70