{"id":10425,"date":"2015-05-30T15:41:42","date_gmt":"2015-05-30T06:41:42","guid":{"rendered":"http:\/\/programminglanguage7.com\/?p=10425"},"modified":"2015-05-30T15:42:16","modified_gmt":"2015-05-30T06:42:16","slug":"post-10425","status":"publish","type":"post","link":"https:\/\/programminglanguage7.com\/?p=10425","title":{"rendered":"File\u30af\u30e9\u30b9\u3068Dir\u30af\u30e9\u30b9\u306b\u3064\u3044\u3066\u77e5\u308d\u3046"},"content":{"rendered":"<p><span style=\"font-size: 14pt;\">\u3053\u306e\u7ae0\u3067\u306fFile\u30af\u30e9\u30b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">File\u30af\u30e9\u30b9\u306f\u30d5\u30a1\u30a4\u30eb\u540d\u306a\u3069\u3092\u5909\u66f4\u3059\u308b\u306a\u3069\u306e\u6a5f\u80fd\u3092\u6301\u3064\u30af\u30e9\u30b9\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">File\u30af\u30e9\u30b9\u306fIO\u30af\u30e9\u30b9\u306e\u5b50\u30af\u30e9\u30b9\u306a\u306e\u3067\u3001IO\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u306a\u3069\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3067\u306f\u521d\u3081\u306b\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u5909\u66f4\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u4f8b\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91156.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10426\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91156-300x109.jpg\" alt=\"9\" width=\"300\" height=\"109\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91156-300x109.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91156.jpg 511w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u5909\u66f4\u3059\u308b\u6642\u306e\u57fa\u672c\u69cb\u6587\u306f<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91157.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10427\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91157-300x24.jpg\" alt=\"9\" width=\"300\" height=\"24\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91157-300x24.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91157.jpg 442w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3053\u306e\u4f8b\u3067\u306f\u300ct.dat\u300d\u304b\u3089\u300ct2.dat\u300d\u306b\u540d\u524d\u3092\u5909\u66f4\u3057\u3066\u3044\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u307e\u305f\u3001rename\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9\u3068\u3057\u3066\u306f\u30d5\u30a1\u30a4\u30eb\u3092\u4ed6\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u79fb\u52d5\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91158.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10428\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91158-300x145.jpg\" alt=\"9\" width=\"300\" height=\"145\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91158-300x145.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91158.jpg 509w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span><br \/>\n<span style=\"font-size: 14pt;\">\u6b21\u306f\u30d5\u30a1\u30a4\u30eb\u3092\u524a\u9664\u3059\u308bdelete\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3067\u306f\u4f8b\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91159.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10429\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91159-300x135.jpg\" alt=\"9\" width=\"300\" height=\"135\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91159-300x135.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91159.jpg 456w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u4ee5\u4e0b\u306e\u69cb\u6587\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u524a\u9664\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91160.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10430\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91160-300x121.jpg\" alt=\"9\" width=\"300\" height=\"121\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91160-300x121.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91160.jpg 471w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span><\/p>\n<p><span style=\"font-size: 14pt;\">\u6b21\u306f\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u30b3\u30d4\u30fc\u3059\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3042\u308bFileUtils\u306ecp\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3067\u306f\u4f8b\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91161.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10431\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91161-300x137.jpg\" alt=\"9\" width=\"300\" height=\"137\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91161-300x137.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91161.jpg 512w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">FileUtils.cp()\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91162.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10432\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91162.jpg\" alt=\"9\" width=\"266\" height=\"38\" \/><\/a>\u3092\u5148\u982d\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">FileUtils\u306f\u30d5\u30a1\u30a4\u30eb\u3092\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3053\u306e\u4f8b\u306f\u300cg.dat\u300d\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u4e2d\u8eab\u304c\u300ct.dat\u300d\u306b\u30b3\u30d4\u30fc\u3055\u308c\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91163.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10433\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91163-300x47.jpg\" alt=\"9\" width=\"300\" height=\"47\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91163-300x47.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91163.jpg 554w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span><br \/>\n<span style=\"font-size: 14pt;\">\u6b21\u306f\u30d5\u30a1\u30a4\u30eb\u306e\u6700\u7d42\u66f4\u65b0\u6642\u9593\u306a\u3069\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3053\u308c\u3089\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u306fstat\u30e1\u30bd\u30c3\u30c9\u304c\u5fc5\u8981\u3067\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91164.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10434\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91164-300x148.jpg\" alt=\"9\" width=\"300\" height=\"148\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91164-300x148.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91164.jpg 556w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u3067\u306f\u4f8b\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91165.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10435\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91165-300x158.jpg\" alt=\"9\" width=\"300\" height=\"158\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91165-300x158.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91165.jpg 546w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91166.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10436\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91166-300x168.jpg\" alt=\"9\" width=\"300\" height=\"168\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91166-300x168.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91166.jpg 305w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3053\u3053\u304b\u3089\u306fDir\u30af\u30e9\u30b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3053\u306e\u30af\u30e9\u30b9\u306f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u69d8\u3005\u64cd\u4f5c\u3059\u308b\u30af\u30e9\u30b9\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u73fe\u5728\u306e\u30ab\u30ec\u30f3\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea(\u73fe\u5728\u4f5c\u696d\u3057\u3066\u3044\u308b\u5834\u6240)\u306e\u60c5\u5831\u306f<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91167.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10437\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91167.jpg\" alt=\"9\" width=\"145\" height=\"36\" \/><\/a> \u3067\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u307e\u305f\u3001\u30ab\u30ec\u30f3\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u5909\u66f4\u3059\u308b\u306b\u306f<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91168.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10438\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91168-300x26.jpg\" alt=\"9\" width=\"300\" height=\"26\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91168-300x26.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91168.jpg 437w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\u3068\u8a00\u3046\u5f62\u5f0f\u3067\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3067\u306f\u4f8b\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91169.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10439\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91169-249x300.jpg\" alt=\"9\" width=\"249\" height=\"300\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91169-249x300.jpg 249w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91169.jpg 343w\" sizes=\"(max-width: 249px) 100vw, 249px\" \/><\/a><a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91170.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10440\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91170-300x141.jpg\" alt=\"9\" width=\"300\" height=\"141\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91170-300x141.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91170.jpg 325w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span><br \/>\n<span style=\"font-size: 14pt;\">\u6b21\u306f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u521d\u3081\u306b<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91171.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10441\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91171.jpg\" alt=\"9\" width=\"225\" height=\"38\" \/><\/a>\u3067\u958b\u3044\u3066\u304b\u3089\u3001read\u30e1\u30bd\u30c3\u30c9\u3067\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u3001close\u30e1\u30bd\u30c3\u30c9\u3067\u9589\u3058\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3067\u306f\u4f8b\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91172.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10442\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91172-300x300.jpg\" alt=\"9\" width=\"300\" height=\"300\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91172-300x300.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91172-150x150.jpg 150w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91172.jpg 486w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">read\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u30ab\u30ec\u30f3\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3084\u89aa\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91173.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10443\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91173-274x300.jpg\" alt=\"9\" width=\"274\" height=\"300\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91173-274x300.jpg 274w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91173.jpg 312w\" sizes=\"(max-width: 274px) 100vw, 274px\" \/><\/a><\/span><br \/>\n<span style=\"font-size: 14pt;\">\u6b21\u306f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u4f5c\u6210\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u57fa\u672c\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91174.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10444\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91174-300x67.jpg\" alt=\"9\" width=\"300\" height=\"67\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91174-300x67.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91174.jpg 375w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u3067\u306f\u4f8b\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91175.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10445\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91175-300x212.jpg\" alt=\"9\" width=\"300\" height=\"212\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91175-300x212.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91175.jpg 367w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3053\u306e\u4f8b\u3067\u306f<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91176.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10446\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/91176.jpg\" alt=\"9\" width=\"291\" height=\"41\" 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