{"id":123986,"date":"2024-03-24T13:23:53","date_gmt":"2024-03-24T04:23:53","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/perl%e3%81%ab%e3%82%88%e3%82%8b%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e5%86%85%e3%83%87%e3%83%bc%e3%82%bf%e6%8a%bd%e5%87%ba\/"},"modified":"2024-04-04T16:23:35","modified_gmt":"2024-04-04T07:23:35","slug":"perl%e3%81%ab%e3%82%88%e3%82%8b%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e5%86%85%e3%83%87%e3%83%bc%e3%82%bf%e6%8a%bd%e5%87%ba","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/perl%e3%81%ab%e3%82%88%e3%82%8b%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e5%86%85%e3%83%87%e3%83%bc%e3%82%bf%e6%8a%bd%e5%87%ba\/","title":{"rendered":"Perl\u306b\u3088\u308b\u30d5\u30a1\u30a4\u30eb\u5185\u30c7\u30fc\u30bf\u62bd\u51fa"},"content":{"rendered":"

Perl\u3067\u306f\u3001\u6b63\u898f\u8868\u73fe\u307e\u305f\u306f\u7d44\u307f\u8fbc\u307f\u306e\u6587\u5b57\u5217\u95a2\u6570\u3092\u7528\u3044\u3066\u30d5\u30a1\u30a4\u30eb\u5185\u306e\u30c7\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u306f\u6b21\u306e2\u3064\u3067\u3059\u3002<\/p>\n

    \n
  1. \u6b63\u898f\u8868\u73fe\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n
    open<\/span>(my<\/span> $fh, '<'<\/span>, 'file.txt'<\/span>) or<\/span> die<\/span> \"Cannot open file: $!\"<\/span>;\r\nwhile<\/span> (my<\/span> $line = <$fh>) {\r\nif<\/span> ($line =~ \/pattern\/<\/span>) {\r\n# \u8fdb\u884c\u5904\u7406<\/span>\r\nprint<\/span> $line;\r\n}\r\n}\r\nclose<\/span>($fh);\r\n<\/code><\/pre>\n
      \n
    1. \u6587\u5b57\u5217\u95a2\u6570\u3092\u7528\u3044\u3066\u30c7\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b<\/li>\n<\/ol>\n
      open<\/span>(my<\/span> $fh, '<'<\/span>, 'file.txt'<\/span>) or<\/span> die<\/span> \"Cannot open file: $!\"<\/span>;\r\nwhile<\/span> (my<\/span> $line = <$fh>) {\r\nif<\/span> (index<\/span>($line, 'substring'<\/span>) != -1<\/span>) {\r\n# \u8fdb\u884c\u5904\u7406<\/span>\r\nprint<\/span> $line;\r\n}\r\n}\r\nclose<\/span>($fh);\r\n<\/code><\/pre>\n
      \u3053\u306e\u30b3\u30fc\u30c9\u4f8b\u3067\u306f\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u540d\u304c\u300cfile.txt\u300d\u3067\u3042\u308b\u3053\u3068\u3092\u60f3\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002 open() \u95a2\u6570\u306f\u30d5\u30a1\u30a4\u30eb\u3092\u30aa\u30fc\u30d7\u30f3\u3059\u308b\u305f\u3081\u3001 < \u306f\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30e2\u30fc\u30c9\u3092\u8868\u3057\u307e\u3059\u3002 while \u30eb\u30fc\u30d7\u306f\u30d5\u30a1\u30a4\u30eb\u306e\u5404\u884c\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u3001\u6b63\u898f\u8868\u73fe\u307e\u305f\u306f\u6587\u5b57\u5217\u95a2\u6570\u306b\u57fa\u3065\u3044\u3066\u30d5\u30a3\u30eb\u30bf\u30fc\u6761\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3057\u307e\u3059\u3002\u6761\u4ef6\u3092\u6e80\u305f\u3059\u884c\u306f\u51e6\u7406\u3055\u308c\u307e\u3059\uff08\u4f8b\uff1a\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\uff09\u3002\u6700\u5f8c\u306b\u3001 close() \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u9589\u3058\u307e\u3059\u3002\u5177\u4f53\u7684\u306a\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u30ed\u30b8\u30c3\u30af\u3092\u5b9f\u88c5\u3059\u308b\u306b\u306f\u3001\u30b3\u30fc\u30c9\u5185\u306e\u300cpattern\u300d\u307e\u305f\u306f\u300csubstring\u300d\u3092\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      Perl\u3067\u306f\u3001\u6b63\u898f\u8868\u73fe\u307e\u305f\u306f\u7d44\u307f\u8fbc\u307f\u306e\u6587\u5b57\u5217\u95a2\u6570\u3092\u7528\u3044\u3066\u30d5\u30a1\u30a4\u30eb\u5185\u306e\u30c7\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u306f\u6b21\u306e2\u3064\u3067\u3059\u3002 \u6b63\u898f\u8868\u73fe\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002 open(my $fh, ‘&lt […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-123986","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nPerl\u306b\u3088\u308b\u30d5\u30a1\u30a4\u30eb\u5185\u30c7\u30fc\u30bf\u62bd\u51fa - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/perl\u306b\u3088\u308b\u30d5\u30a1\u30a4\u30eb\u5185\u30c7\u30fc\u30bf\u62bd\u51fa\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Perl\u306b\u3088\u308b\u30d5\u30a1\u30a4\u30eb\u5185\u30c7\u30fc\u30bf\u62bd\u51fa\" \/>\n<meta property=\"og:description\" content=\"Perl\u3067\u306f\u3001\u6b63\u898f\u8868\u73fe\u307e\u305f\u306f\u7d44\u307f\u8fbc\u307f\u306e\u6587\u5b57\u5217\u95a2\u6570\u3092\u7528\u3044\u3066\u30d5\u30a1\u30a4\u30eb\u5185\u306e\u30c7\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u306f\u6b21\u306e2\u3064\u3067\u3059\u3002 \u6b63\u898f\u8868\u73fe\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002 open(my $fh, '&lt […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/perl\u306b\u3088\u308b\u30d5\u30a1\u30a4\u30eb\u5185\u30c7\u30fc\u30bf\u62bd\u51fa\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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