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ihag id:ihag

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ihag 2014/01/05
scraping
ãƒªãƒ³ã‚¯
Web::Scraper ã§ XPath ã¨ CSS ã‚»ãƒ¬ã‚¯ã‚¿ã‚’æ··ãœã¦ä½¿ã†ä¾‹ - Tociyuki::Diary
Web::Scraper ã¯ã„ãŸã‚Œã‚Šã¤ãã›ã‚Šã®ä»•æŽ›ã‘ãŒä»•è¾¼ã‚“ã§ã‚ã£ã¦ã€ä¾¿åˆ©ã§ã™ãã€‚ç§ãŒã€å‰²ã¨è‰¯ãä½¿ã£ã¦ã„ã‚‹æ©Ÿèƒ½ã¯ä»¥ä¸‹ 2 ã¤ã§ã™ã€‚ process ã®ç¬¬ä¸€å¼•æ•°ã«ã€CSS ã‚»ãƒ¬ã‚¯ã‚¿ã ã‘ã§ãªãã€XPath ã‚‚æŒ‡å®šã§ãã¾ã™ã€‚ãŸã ã—ã€XPath ã‚’æŒ‡å®šã™ã‚‹ã¨ãã¯å…ˆé ã‚’å¿…ãšã‚¹ãƒ©ãƒƒã‚·ãƒ¥(/)ã§å§‹ã‚ãªã‘ã‚Œã°ã„ã‘ã¾ã›ã‚“ã€‚ process ã®ç¬¬äºŒå¼•æ•°ä»¥é™ã®ã€å€¤ã‚’ã©ã“ã‹ã‚‰å–å¾—ã™ã‚‹ã‹ã‚’æŒ‡å®šã™ã‚‹éƒ¨åˆ†ã«ã€ã‚³ãƒ¼ãƒ‰ãƒ»ãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã‚’ç½®ãã“ã¨ã‚‚ã§ãã¾ã™ã€‚ã“ã‚Œã‚’ä½¿ã†ã¨ã€DOM ãƒ„ãƒªãƒ¼ä¸ã®å€¤ã‚’åŠ å·¥ã—ã¦æŠ½å‡ºã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ å…·ä½“ä¾‹ã¨ã—ã¦ã€ãƒ‡ã‚¤ãƒªãƒ¼ãƒãƒ¼ã‚¿ãƒ«Zã®ã‚¢ãƒ¼ã‚«ã‚¤ãƒ–ä¸€è¦§ã®ä¸ã‹ã‚‰ã¹ã¤ã‚„ãã‚Œã„ã•ã‚“ã®ã‚¨ãƒ³ãƒˆãƒªã‚’æŠ½å‡ºã—ã¦ã¿ã‚‹ã“ã¨ã«ã—ã¾ã™ã€‚ã¾ãšã€ã‚¢ãƒ¼ã‚«ã‚¤ãƒ–ãƒ»ãƒšãƒ¼ã‚¸ã®ã‚¨ãƒ³ãƒˆãƒªéƒ¨åˆ†ã‚’å–ã‚Šå‡ºã—ã¦ã‚„ã‚‹ã¨ã€ã“ã†ãªã£ã¦ã„ã¾ã™ã€‚ <TD width="580" valign="top" class="tx12px"> <P> <B><FONT c
ihag 2007/08/22
Web::Scraper

WebApp

Scraping

Perl
ãƒªãƒ³ã‚¯
{perl,ruby} -nle 'print if /start/../end/' : 404 Blog Not Found
2006å¹´12æœˆ22æ—¥19:00 ã‚«ãƒ†ã‚´ãƒªLightweight Languages {perl,ruby} -nle 'print if /start/../end/' ã‚¢ãƒ«ãƒ•ã‚¡ã‚®ãƒ¼ã‚¯ã§ã‚‚çŸ¥ã‚‰ãªã‹ã£ãŸã¨ã„ã†ã®ã¯ã€ä¸æ€è°ã§ã‚‚ã‚ã‚Šå½“ç„¶ã®ã‚ˆã†ã§ã‚‚ã‚ã‚Šã€‚ naoyaã‚°ãƒ«ãƒ¼ãƒ— - naoyaã®æ—¥è¨˜ - if /regexp/../regexp/ Perl ã§æ£è¦è¡¨ç¾ã‚’ .. ã™ã‚‹ã¨ã€ãã®é–“ã«å«ã¾ã‚Œã‚‹æ–‡å—åˆ—ã¨ã„ã†æ„å‘³ã§ãƒžãƒƒãƒã•ã›ã‚‰ã‚Œã‚‹ã€‚ % w3m -dump_source http://www.yahoo.com/ | perl -nle 'print if /^<style/../<\/style>/' ã¨ã™ã‚‹ã¨ã“ã‚Œã€å®Ÿã«ç”±ç·’æ£ã—ã„ä½¿ã„æ–¹ã§ã€ãŸã—ã‹ã¾ã perlãŒhashã™ã‚‰ã‚µãƒãƒ¼ãƒˆã—ã¦ã„ãªã„é ƒã‹ã‚‰ã‚ã£ãŸã¨è¨˜æ†¶ã—ã¦ã„ã¾ã™ã€‚ãªã«ã—ã‚sed/awkãŒèµ·æºã§ã™ã‹ã‚‰ã€‚ NAME operator - se
ihag 2006/12/22
ãŠãŠã€ã“ã‚Šã‚ƒä¾¿åˆ©

Ruby

programming

development

Scraping

Regexp
ãƒªãƒ³ã‚¯
ruby ã®ã‚¹ã‚¯ãƒ¬ã‚¤ãƒ”ãƒ³ã‚°ãƒ„ãƒ¼ãƒ«ã‚ãƒƒãƒˆ scrAPI - å·oãƒ»-ãƒ»ï¼‰ï¼œ2nd life
http://blog.labnotes.org/category/scrapi/ ruby ã§ã‚¹ã‚¯ãƒ¬ã‚¤ãƒ”ãƒ³ã‚°ã—ã¦ web ã®æƒ…å ±ã‚’å–å¾—ã™ã‚‹ã®ã«ã¯ã€ä»Šã¾ã§æ£è¦è¡¨ç¾ã‹ xpath ã§ã‚„ã£ã¦ãŸã®ã§ã€ã‚ã‚Šã¨é¢å€’ã§ã—ãŸã€‚ã§ã€ãµã¨ scrAPI ã¨ã„ã†ã‚¹ã‚¯ãƒ¬ã‚¤ãƒ”ãƒ³ã‚°ãƒ„ãƒ¼ãƒ«ã‚ãƒƒãƒˆã‚’çŸ¥ã£ãŸã®ã§ã™ãŒã€ã“ã‚ŒãŒã‹ãªã‚Šä¾¿åˆ©ãã†ã€‚ ã“ã®ãƒ„ãƒ¼ãƒ«ã‚ãƒƒãƒˆã‚’ä½¿ã†ã¨ã€CSS3 ãªã‚»ãƒ¬ã‚¯ã‚¿ã‚’è¨˜è¿°ã™ã‚‹ã“ã¨ã§ã€è¦ç´ ã‚’å–å¾—ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ãŸã¨ãˆã°ã¨ã‚ã‚‹ã‚µã‚¤ãƒˆã®ãƒªãƒ³ã‚¯ã‚’å…¨éƒ¨å–å¾—ã—ãŸã‘ã‚Œã°ã€ require 'rubygems' require 'scrapi' require 'open-uri' require 'nkf' require 'pp' $KCODE = 'u' links = Scraper.define do process "a[href]", "urls[]"=>"@href" result :urls e
ihag 2006/12/11
ä»Šã¾ã§ã®è‹¦åŠ´ã¯ä½•ã ã£ãŸã®ã‹

development

programming

ruby

HTML

scraping

scrapi

library
ãƒªãƒ³ã‚¯
1