REBOL [ Title: "Simple gzip archiver" Date: 9-Jan-2013 File: %oneliner-gzip.r3 Purpose: "Creates gzip archives, 1-line r3 version." One-liner-length: 157 Version: 1.0.0 Author: "Vincent Ecuyer" Usage: { my-data: #{........} write %test.gz gzip my-data } Comment: { Limitations: - REBOL 3 only - No filename in archive - No timestamp in archive } Library: [ level: 'advanced platform: 'all type: [tool] domain: [compression file-handling files] tested-under: [ core 2.100.111.2.5 on [Macintosh osx-x86] core 2.101.0.2.5 on [Macintosh osx-x86] ] support: none license: 'public-domain see-also: none ] ] gzip: func [value [binary!]][head change at tail join #{1F8B08000000000002FF} skip compress value 2 -8 reverse skip to-binary checksum/method value 'crc32 4] ;Slighty shorter form (131 bytes): ; gz: func[v][head change at tail join #{1F8B08000000000002FF}skip compress v 2 -8 reverse skip to-binary checksum/method v 'crc32 4]