Myers Diff Algorithm - Code & Interactive Visualization
2017-06-07 - By Robert Elder Below you will find example source code and interactive visualizations that are intended to complement the paper 'An O(ND) Difference Algorithm and Its Variations' by Eugene W. Myers[1]. Â Multiple variants of the algorithms discussed in Myers' paper are presented in this article, along with working source code versions of the pseudo-code presented in the paper. Two ref
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BSDiff ã¯ãƒã‚¤ãƒŠãƒªå·®åˆ†ã‚’扱ã†ãƒ—ãƒã‚°ãƒ©ãƒ ã§ã™ã€‚bsdiffã¨bspatchã®äºŒã¤ã®ã‚³ãƒžãƒ³ãƒ‰ã‹ã‚‰æˆã‚Šã¾ã™ã€‚bsdiffã¯æ—§ãƒ•ã‚¡ã‚¤ãƒ«ã¨æ–°ãƒ•ã‚¡ã‚¤ãƒ«ã‚’比較ã—ã¦ãƒ‘ッãƒãƒ•ã‚¡ã‚¤ãƒ«ã‚’出力ã—ã¾ã™ã€‚bspatchã¯æ—§ãƒ•ã‚¡ã‚¤ãƒ«ã«ãƒ‘ッãƒãƒ•ã‚¡ã‚¤ãƒ«ã‚’é©ç”¨ã—ã¦æ–°ãƒ•ã‚¡ã‚¤ãƒ«ã‚’出力ã—ã¾ã™ã€‚コマンドライン引数ã¯bsdiffã€bspatchå…±ã«æ—§ãƒ•ã‚¡ã‚¤ãƒ«ã€æ–°ãƒ•ã‚¡ã‚¤ãƒ«ã€ãƒ‘ッãƒãƒ•ã‚¡ã‚¤ãƒ«ã®ä¸‰ã¤ã‚’ãã®é †ç•ªã§æŒ‡å®šã—ã¾ã™ã€‚ Usage: bsdiff oldfile newfile patchfile Usage: bspatch oldfile newfile patchfile BSDiffã¯å®Ÿè¡Œãƒ•ã‚¡ã‚¤ãƒ«ã®ä¿®æ£å·®åˆ†ã‚’å–ã‚‹ã“ã¨ã‚’念é ã«ç½®ã„ã¦è¨è¨ˆã•ã‚Œã¦ã„ã¾ã™ã€‚ 一般ã«ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã®ã‚ã‚‹è¡Œã«ä¿®æ£ã‚’åŠ ãˆãŸå ´åˆã€å®Ÿè¡Œãƒ•ã‚¡ã‚¤ãƒ«ã®å¤‰åŒ–ã¯ãã®ä¿®æ£ã—ãŸè¡Œã«ç›´æŽ¥å¯¾å¿œã™ã‚‹éƒ¨åˆ†ã ã‘ã«ç•™ã¾ã‚Šã¾ã›ã‚“。ãã®è¡Œã‚’コンパイルã—ã¦å‡ºæ¥ãŸã‚³ãƒ¼ãƒ‰(マシン語列)ã®é•·ã•ãŒå¤‰åŒ–
Mergely - About the library and editor
About Mergely JavaScript library Diff and merge Mergely is a powerful online diff and merge editor and javascript library that highlights changes in text. It can be embedded within your own Web application to compare files, text, C, C++, Java, HTML, XML, CSS, and javascript. Refer to the documentation for information on how to use Mergely. Also, please refer to the the license agreement. Browser-b
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高速ã¨ã•ã‚Œã‚‹O(NP)ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ をベース㫠ã€javascriptã§å®Ÿè£…ã—ã¦ã¿ãŸã€‚ [1]E.W.Myers, "An O(ND) difference algorithm and its variations", Algorithmixa, 1 (1986), pp.251-266 ã«è«–文を日本語ã«è¨³ã—ãŸã‚‚ã®ãŒè¼‰ã£ã¦ãŠã‚Šã€å‚考ã«ãªã‚Šã¾ã—ãŸã€‚ http://hp.vector.co.jp/authors/VA007799/viviProg/doc5.htm 上記ã®è«–æ–‡ä¸ã®ã‚³ãƒ¼ãƒ‰ã¯ã€Œï¼³ï¼¥ï¼¤ Shotest Edit Distanceã€ã®å€¤ã‚’求ã‚ã‚‹ã ã‘ã§ã€ Diffã®çµæžœã‚’ã©ã†çµ„ã¿ç«‹ã¦æ ¼ç´ã—ã¦ã„ãã‹ã«ã¤ã„ã¦ã¨ã€fpã¨ã„ã†é…列ã®åˆæœŸå€¤ã‚’ 何ã§åŸ‹ã‚ã‚Œã°ã‚ˆã„ã®ã‹ãŒåˆ†ã‹ã‚‰ãšã€ ã‹ãªã‚Šè‹¦åŠ´ã—ã¾ã—ãŸã€‚ アルゴリズムã¯ä¸Šè¨˜ã®O(NP)ãã®ã¾ã¾ã§ã™ãŒã€javascriptã§å®Ÿè£…ã—ã¦ã„ãä¸ã§ã€ メイン処ç†ã¨
文書比較（diff）アルゴリズãƒ
文書比較（diff）アルゴリズムå‰ã®ãƒ‰ã‚ュメント 次ã®ãƒ‰ã‚ュメント ＶｉＶｉã®æ–‡æ›¸æ¯”較（diff）機能ã§ä½¿ç”¨ã—ã¦ã„るアルゴリズムã«ã¤ã„ã¦è§£èª¬ã™ã‚‹ã€‚ ã“れらã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ 㯠Myers æ°ã‚‰ã®è«–æ–‡ã«ã‚ˆã‚‹ã‚‚ã®ã§ã€æ°ã¯ç†è€…ã®ãŸã‚ã«ã‚ã–ã‚ã–論文をＷｅｂサイトã§å…¥æ‰‹å¯èƒ½ãªå½¢å¼ã«ã—ã¦ãã ã•ã£ãŸã€‚ã“ã®å ´ã‚’借りã¦ãŠç¤¼ç”³ã—上ã’る。 オリジナル論文ã¯ä»¥ä¸‹ã®ï¼·ï½…ｂサイトã‹ã‚‰å…¥æ‰‹å¯èƒ½ã§ã‚る。 http://www.cs.arizona.edu/people/gene [1] E.W.Myers, "An O(ND) Difference Algorithm and Its Variations", Algorithmica, 1 (1986), pp.251-266 [2] S. Wu, U. Manber, G. Myers and W. Miller, "An O(NP) Sequence Comparis
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