archive plugin

This plugin was copied from extract plugin and that guy is awesome. Thanks!

Defines a function called archive that get list the archive file you pass it, and it supports a wide variety of archive filetypes.

This way you don't have to know what specific command list archive a file, you just do archive <filename> and the function takes care of the rest.

To use it, add archive to the plugins array in your zshrc file:

plugins=(... archive)

Supported file extensions

Extension	Description
`7z`	7zip file
`rar`	WinRAR archive
`tar`	Tarball
`tar.bz2`	Tarball with bzip2 compression
`tar.gz`	Tarball with gzip compression
`tar.lzma`	Tarball with lzma compression
`tar.xz`	Tarball with lzma2 compression
`zip`	Zip archive

See list of archive formats for more information regarding archive formats.