bsdtar does this, except by looking at the file format rather than looking at the extension. It supports tar, pax, cpio, zip, xar, lha, ar, cab, mtree, rar, an

bsdtar does this, except by looking at the file format rather than looking at the extension. It supports tar, pax, cpio, zip, xar, lha, ar, cab, mtree, rar, and ISO images, compressed using gzip, bzip2, lzip, xz, lzma, or compress.