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build-pack.r

REBOL [ Title: "Build a Program Package" Date: 6-Jul-2001 Version: 1.0.0 File: %build-pack.r Author: "Carl Sassenrath" Purpose: {Creates a single compressed REBOL program from a list of file modules. Modules can include binary data files such as images.} Email: %carl--rebol--com Note: "Output is text so it is compatible with all tools." library: [ level: 'intermediate platform: none type: [Tool How-to] domain: 'file-handling tested-under: none support: none license: none see-also: none ] ] system/options/binary-base: 64 ;-- Specify a list of files that belong in the package. ; If a file is preceded by a variable, then the file ; is assumed to be data (such as an image) and it ; is stored as the variable set to a binary value. files: [ logo: %nyc.jpg %show.r ] error: func [str] [alert reform ["ERROR: " str] quit] ;-- Create a text file that contains contents of all files. ; Load each file, then mold it back. (Removes all comments) out: make string! 20000 variable: main: none foreach file files [ either any-word? :file [variable: to-word :file][ if not exists? file [error reform ["file does not exist:" file]] either script? file [ script: load/all file if none? main [main: script] append out mold/only skip script 2 ; skip REBOL header ][ if variable [repend out [variable ": "]] append out mold read/binary file ] ] ] if none? main [error "At least one script file is required."] out: compress out ;-- Create a header based on the header of the first script file. ; Add to it a decoder script and the program binary. header: reform [ 'REBOL mold third make context main/2 [ Built: now Length: length? out ] ] repend header [ newline "code: " mold out { if system/script/header/length <> length? code [alert "Corrupt program." quit] do decompress code } ] file: request-file/only/title "Save file as:" "Save" if file [write file header]
halt ;; to terminate script if DO'ne from webpage
Notes
  • build-pack.r has documentation.
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  • (carl:rebol:com)