{"id":3009,"date":"2012-01-30T00:47:06","date_gmt":"2012-01-29T15:47:06","guid":{"rendered":"http:\/\/www.moonmile.net\/blog\/archives\/3009"},"modified":"2012-01-30T00:47:46","modified_gmt":"2012-01-29T15:47:46","slug":"excel-%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%81%ae%e9%a1%9e%e4%bc%bc%e6%a4%9c%e7%b4%a2%e3%81%ae%e7%b6%9a%e3%81%8d","status":"publish","type":"post","link":"http:\/\/www.moonmile.net\/blog\/archives\/3009","title":{"rendered":"Excel \u30d5\u30a1\u30a4\u30eb\u306e\u985e\u4f3c\u691c\u7d22\u306e\u7d9a\u304d"},"content":{"rendered":"

\n\u5358\u7d14\u306b\uff12\u30d5\u30a1\u30a4\u30eb\u3092\u6bd4\u8f03\u3059\u308b\u90e8\u5206\u306f\u3001\n<\/p>\n

\n2007-03-15 – \u5f53\u9762C#\u3068.NET\u306a\u8a18\u9332
\nhttp:\/\/d.hatena.ne.jp\/siokoshou\/20070315<\/a>\n<\/p>\n

\n\u306b\u3042\u308b FastDiff \u306e\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3057\u3066\u5229\u7528\u3002\n<\/p>\n

\nnamespace SampleBinDiff\n{\n\tclass Program\n\t{\n\t\tstatic void Main(string[] args)\n\t\t{\n\t\t\tstring srcfile = args[0];\n\t\t\tstring destfile = args[1];\n\n\t\t\tProgram prog = new Program();\n\t\t\tprog.Go(srcfile, destfile);\n\t\t}\n\n\t\tpublic int Go(string srcfile, string destfile)\n\t\t{\n\t\t\tstring src = BinToString(srcfile);\n\t\t\tstring dest = BinToString(destfile);\n\n\t\t\t\/\/ DiffResult[] res = FastDiff.DiffChar(src, dest);\n\t\t\tDiffResult[] res = FastDiff.Diff(src, dest);\n\n\t\t\tConsole.WriteLine("count: {0}", res.Length);\n\t\t\tint diffcount = 0;\n\t\t\tforeach (var di in res)\n\t\t\t{\n\t\t\t\tConsole.WriteLine(di.ToString());\n\t\t\t\tif (di.Modified)\n\t\t\t\t{\n\t\t\t\t\tdiffcount += di.ModifiedLength + di.OriginalLength;\n\t\t\t\t}\n\t\t\t}\n\t\t\tConsole.WriteLine("diffcount: {0}", diffcount);\n\t\t\treturn 0;\n\t\t}\n\n\t\tpublic string BinToString( string fname ) \n\t\t{\n\t\t\tBinaryReader br = new BinaryReader(File.Open(fname, FileMode.Open,FileAccess.Read));\n\t\t\tbyte[] data = new byte[new FileInfo(fname).Length];\n\t\t\tbr.Close();\n\t\t\tStringBuilder sb = new StringBuilder();\n\t\t\tforeach (byte b in data)\n\t\t\t{\n\t\t\t\tsb.Append(Convert.ToString(b, 16));\n\t\t\t\tsb.Append("\\n"); \/\/ \u884c\u5358\u4f4d\u3067\u6bd4\u8f03\n\t\t\t}\n\t\t\tstring src = sb.ToString();\n\t\t\treturn src;\n\t\t}\n\t}\n}\n<\/pre>\n
\n\u30d0\u30a4\u30ca\u30ea\u6bd4\u8f03\u306e\u305f\u3081\u306b FastDiff.DiffChar \u3067\u6bd4\u8f03\u3057\u3088\u3046\u3068\u601d\u3063\u305f\u306e\u3060\u3051\u3069\u3001\u3042\u307e\u308a\u601d\u3063\u305f\u3088\u3046\u306a\u7d50\u679c\u304c\u5f97\u3089\u308c\u306a\u3044\u306e\u3067\u3001\u7121\u7406\u77e2\u7406\u6539\u884c\u30b3\u30fc\u30c9\u3092\u5165\u308c\u3066 FastDiff.Diff \u3067\u6bd4\u8f03\u3057\u3066\u3044\u307e\u3059\u3002\n<\/p>\n
\n\u5b9f\u884c\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u611f\u3058\u3002\u30d5\u30a1\u30a4\u30eb\u540d\u30922\u3064\u6307\u5b9a\u3059\u308b\u3068\u3001diffcount \u3068\u3044\u3046\u6570\u5024\u3092\u51fa\u3057\u307e\u3059\u3002diffcount \u304c 0 \u3067\u3042\u308c\u3070\u4e00\u81f4\u3001\u5927\u304d\u3051\u308c\u3070\u305d\u308c\u3060\u3051\u30d5\u30a1\u30a4\u30eb\u304c\u9055\u3046\u3068\u3044\u3046\u611f\u3058\u3002\n<\/p>\n
\nDebug>SampleBinDiff ..\\..\\Program.cs ..\\..\\Program3.cs\ncount: 2\nCommon, OrgStart:0, OrgLen:2720, ModStart:0, ModLen:2720\nModified, OrgStart:2720, OrgLen:0, ModStart:2720, ModLen:24\ndiffcount: 24\n<\/pre>\n
\n\u3053\u308c\u3092\u76f8\u4e92 10,000 \u30d5\u30a1\u30a4\u30eb\u3067\u5f53\u305f\u3063\u3066\u3044\u3051\u3070\u3088\u3044\u306e\u3067\u3001\u9069\u5f53\u306a\u95be\u5024\u3092\u3064\u3051\u3066\u985e\u4f3c\u30d5\u30a1\u30a4\u30eb\u3092\u898b\u3064\u3051\u308b\u304b\u3001\u30d2\u30b9\u30c8\u30b0\u30e9\u30e0\u3092\u51fa\u3057\u3066\u3001\u4e00\u81f4\u3059\u308b\u81ea\u52d5\u7684\u306b\u95be\u5024\u3092\u898b\u3064\u3051\u308b\u304b\u3001\u3068\u3044\u3046\u611f\u3058\u3067\u3002\u7d9a\u304d\u306f\u660e\u65e5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5358\u7d14\u306b\uff12\u30d5\u30a1\u30a4\u30eb\u3092\u6bd4\u8f03\u3059\u308b\u90e8\u5206\u306f\u3001 2007-03-15 – \u5f53\u9762C#\u3068.NET\u306a\u8a18\u9332 http:\/\/d.hatena.ne.jp\/siokoshou\/20070315 \u306b\u3042\u308b FastDiff \u306e\u30b3\u30fc\u30c9\u3092\u30b3 … \u7d9a\u304d\u3092\u8aad\u3080 →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-3009","post","type-post","status-publish","format-standard","hentry","category-csharp"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/3009","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/comments?post=3009"}],"version-history":[{"count":1,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/3009\/revisions"}],"predecessor-version":[{"id":3010,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/3009\/revisions\/3010"}],"wp:attachment":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/media?parent=3009"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/categories?post=3009"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/tags?post=3009"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}