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 | pack.rREBOL [
Title: "Pack"
Date: 10-Sep-2002
Name: 'Pack
Version: 1.1.2
File: %pack.r
Author: "Andrew Martin"
Purpose: "Self-extracting file packer & unpacker."
eMail: %Al--Bri--xtra--co--nz
Web: http://valley.150m.com
library: [
level: 'advanced
platform: none
type: 'tool
domain: none
tested-under: none
support: none
license: none
see-also: none
]
]
make object! [
Unpacker: [
Rebol [
Name: 'Unpacker
Title: "Self-extracting file unpacker."
Date: (now)
]
Unpack: func [Pack [block!]][
parse Pack [
some [
set File file! set Data binary! (
make paren! [
write/binary File decompress Data
]
)
| set File file! (
make paren! [make-dir/deep File]
)
]
end
]
]
Unpack ; 'Case goes here.
]
set 'Pack function [
{Self-extracting File packer & unpacker.}
File [file! block!] "File can directory or block of file!"
/Deep "Copy subdirectories as well."
] [
Files Block Directory
] [
append/only compose/deep Unpacker any [
if block? File [
Block: File
map Block func [File [file!]] [
either #"/" = last File [
File
] [
reduce [File compress read/binary File]
]
]
]
if #"/" = last File [
Directory: File
map either Deep [recursive-read Directory] [read Directory] func [File [file!]] [
either #"/" = last File [
File
] [
reduce [File compress read/binary Directory/:File]
]
]
]
reduce [File compress read/binary File]
]
]
] Notes
|