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REBOL [ Title: "dir-tree" Date: 20-Jun-1999 Version: 1.0.0 File: %dir-tree.r Author: "Stephane Bagnier" Tabs: 4 Usage: { "dir-tree %My-Directory" echoes a block containing the whole hierarchy of files and directories starting from %My-Directory. The depth refinement allows you to set a maximum depth to the recursive search: "dir-tree/depth %My-Directory 3". Note you can use 'dir-tree on a ftp site: "dir-tree". } Purpose: { Recursively build a rebol and human readable tree from a directory or a ftp site. Maximum depth can be set. } Organization: "D2SET french association" Web-Site: Email: %bagnier--physique--ens--fr Need: 2 library: [ level: 'intermediate platform: none type: 'tool domain: 'file-handling tested-under: none support: none license: none see-also: none ] ] dir-tree: func [ current-path [file! url!] "directory to explore" /inner tree [block!] "useful to avoid stack overflow" /depth "recursion depth, 1 for current level, -1 for infinite" depth-arg [integer!] /local current-list sub-tree item ][ if all [not inner not block? tree] [tree: copy []] depth-arg: either all [depth integer? depth-arg] [depth-arg - 1][-1] current-list: read current-path if not none? current-list [ foreach item current-list [ insert tail tree item if all [dir? current-path/:item not-equal? depth-arg 0] [ sub-tree: copy [] dir-tree/inner/depth current-path/:item sub-tree depth-arg insert/only tail tree sub-tree ] ] ] return tree ]
halt ;; to terminate script if DO'ne from webpage
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