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REBOL [ Title: "Find a file in sites " Date: 9-Nov-2012 Name: 'find-file File: %web-find-file.r Version: 3.0.0 Author: "Massimiliano Vessi" Purpose: "Finding web page containing a text, also crawling on all page links" Library: [ level: 'beginner platform: 'all type: [function tool] domain: [files] tested-under: none support: none license: gpl see-also: none ] ] find-file: func [ "Returns a block of files where target string was found" dir [url!] "website to scan" deep "Deep page limit" target "String to find" /only "Only search dir, not sub-dirs" /local files out lis lis2 temp file ][ -- deep append db dir aaa/text: reform ["Scanning" dir] show aaa out: copy [] ;serch for text file: "" attempt [file: read/binary dir ];skip CR/LF conversio, quicker if find file target [ append out dir ] ; serch for links in page and put them in lis2 block lis: copy [] lis2: copy [] parse file [any [thru {href=} copy temp to ">" (append lis temp) ]] foreach item lis [ temp: parse item none either sd/data [ temp2: decode-url (to-url temp/1) if temp2 = none [temp2: make object! [host: none ]] if orig/host = temp2/host [append lis2 (to-url temp/1)] ][append lis2 (to-url temp/1)] result: copy lis2 show bbb ] ; Now search in link if deep > 0 [ foreach dir lis2 [ if not (find db dir) [ append out find-file dir deep target ] ] ] out ] ;Examples: ;probe find-file http://www.rebol "example" ;probe find-file %../../ ".r" "rebol" dir: %./ n: 0 result: copy [] view layout [ Title "Web page finder" across label 80 "Text to search" text-f: field return label 80 "Deep of search" filter-f: field "5" return label 80 "Starting page" dir-f: field "" return label 80 "Only same domain" sd: check true return btn green "Search..." [ db: copy [] if not (parse dir-f/text ["http://" to end]) [insert dir-f/text "http://" ] orig: decode-url (to-url dir-f/text) result: find-file (to-url dir-f/text) ( to-integer filter-f/text) text-f/text aaa/text: "DONE!" show aaa show bbb ] btn-help [view/new layout [title "Help " text as-is 200 { This script search for web page an in subpage containing the text you specify. You must specify deep, I decide this to avoid to scan the entire world wide web! Another important feature is that you can check only the starting domain. Examples: probe find-file 10 "Carl" } text bold "Author: Max Vessi" text bold "%maxint--tiscali--it" ]] return aaa: text 300x40 return label "Search result:" return bbb: list 304x292 [info 300] supply [ count: count + n face/text: result/:count] scroller 16x292 [ n: to-integer (face/data * (length? result) ) nmax: (length? result) - 12 if nmax < 0 [nmax: 0] if n > nmax [n: nmax] show bbb ] ]
halt ;; to terminate script if DO'ne from webpage
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  • (maxint:tiscali:it)