Script Library: 1222 scripts
 

read-below.r

Rebol [ Title: "read-below" Date: 17-May-2004 File: %read-below.r Purpose: {Reads all files and directories below specified directory} Version: 1.0.0 Author: "Brett Handley" Library: [ level: 'intermediate platform: 'all type: 'tool domain: 'file-handling tested-under: [ view 1.2.1.3.1 on [WinNT4] {Basic directory tests and /foreach test.} "Brett" view 1.2.46.3.1 on [WinNT4] {Basic directory tests and /foreach test.} "Brett" ] support: none license: none comment: { Copyright (C) 2004 Brett Handley All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. Neither the name of the author nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. } see-also: none ] ] ; ----------------------------------------------------------------- ; Would have used list! for file-list but there is a bug... ; This fails on some version of REBOL: ; to block! make list! [1] ; ----------------------------------------------------------------- read-below: func [ {Read all directories below and including a given file path.} [catch throw] path [file! url!] "Must be a directory (ending in a trailing slash)." /foreach "Evaluates a block for each file or directory found." 'word [word!] "Word set to each file or directory." body [block!] "Block to evaluate for each file or directory." /local queue file-list result file do-func ] [ if #"/" <> last path [ throw make error! "read-below expected path to have trailing slash." ] ; Initialise parameters if not foreach [ word: 'file file-list: make block! 10000 body: [insert tail file-list file] ] ; Create process function do-func: func reduce [[throw] word] body ; Initialise queue queue: append make list! 10 read path ; Process queue set/any 'result if not empty? queue [ until [ do-func file: first queue queue: remove queue if #"/" = last file [ repeat f read join path file [insert queue join file f] queue: head queue ] tail? queue ] ] ; Return result. if not foreach [result: file-list] get/any 'result ]
halt ;; to terminate script if DO'ne from webpage