{"id":1225,"date":"2021-11-20T00:00:00","date_gmt":"2021-11-19T15:00:00","guid":{"rendered":"https:\/\/www.tech-tips.takmaru.com\/?p=5358"},"modified":"2021-11-20T00:00:00","modified_gmt":"2021-11-19T15:00:00","slug":"powershell-binary-copy","status":"publish","type":"post","link":"https:\/\/www.tech-tips.takmaru.com\/?p=1225","title":{"rendered":"PowerShell \u3067\u30d0\u30a4\u30ca\u30ea\u30b3\u30d4\u30fc"},"content":{"rendered":"<p>\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3067\u8a00\u3046\u3068\u3053\u308d\u306e copy \/b \u3092 PowerShell \u3067\u3084\u3063\u3066\u307f\u307e\u3059\u3002\u7c21\u6613\u7248\u30b3\u30d4\u30fc\u3068 FileStream \u3092\u4f7f\u3063\u305f\u30b3\u30d4\u30fc\u306e\uff12\u7a2e\u985e\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u3053\u306e\u624b\u306e\u30b5\u30f3\u30d7\u30eb\u306f\u30cd\u30c3\u30c8\u306b\u306f\u5927\u91cf\u306b\u3053\u308d\u304c\u3063\u3066\u308b\u306e\u3067\u3059\u304c\u3001\u610f\u5916\u3068\u691c\u7d22\u3057\u96e3\u304b\u3063\u305f\u306e\u3067\uff08\u691c\u7d22\u306e\u4ed5\u65b9\u306e\u554f\u984c\u3068\u3044\u3046\u8a71\u3082\u3001\u3001\u3001\uff09\u30e1\u30e2\u4ee3\u308f\u308a\u306b\u6b8b\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<h2>\u7c21\u6613\u7248\u30b3\u30d4\u30fc<\/h2>\n<p>\u6307\u5b9a\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u4e00\u65e6\u5168\u3066\u8aad\u307f\u8fbc\u3093\u3067\u3001\u4e00\u6c17\u306b\u66f8\u304d\u8fbc\u3080\u3068\u3044\u3046\u65b9\u6cd5\u3067\u3059\u3002\u8d85\u7c21\u5358\u3067\u3059\u304c\u3001\u30b5\u30a4\u30ba\u306e\u5927\u304d\u306a\u30d5\u30a1\u30a4\u30eb\u3067\u306f\u6b7b\u3093\u3067\u3057\u307e\u3046\u3068\u3044\u3046\u30b3\u30d4\u30fc\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-powershell\"># \u30d5\u30a1\u30a4\u30eb\u540d\u5b9a\u7fa9\n$src=&quot;D:\\TEMP\\binfile1&quot;\n$dst=&quot;D:\\TEMP\\binfile2&quot;\n\n# \u30d0\u30a4\u30ca\u30ea\u30b3\u30d4\u30fc \n$wbuf = [System.IO.File]::ReadAllBytes($src);\n[System.IO.File]::WriteAllBytes($dst,$wbuf);\n<\/code><\/pre>\n<h2>FileStream \u3092\u4f7f\u3063\u305f\u30b3\u30d4\u30fc<\/h2>\n<p>FileStream \u3092\u4f7f\u3063\u3066\u6307\u5b9a\u3055\u308c\u305f\u30b5\u30a4\u30ba\u3092\u8aad\u307f\u8fbc\u307f\u306a\u304c\u3089\u3001\u305d\u306e\u307e\u307e\u66f8\u304d\u8fbc\u3093\u3067\u884c\u304f\u65b9\u6cd5\u3067\u3059\u3002\u30b5\u30a4\u30ba\u304c\u5927\u304d\u306a\u30d5\u30a1\u30a4\u30eb\u3067\u3082\u5927\u4e08\u592b\u304b\u3068\u3002<\/p>\n<pre><code class=\"language-powershell\"># \u30d5\u30a1\u30a4\u30eb\u540d\u5b9a\u7fa9\n$src=&quot;D:\\TEMP\\binfile1&quot;\n$dst=&quot;D:\\TEMP\\binfile2&quot;\n\n# \u30b3\u30d4\u30fc\u30b5\u30a4\u30ba\n$chunk=8192\n\n# \u30d5\u30a1\u30a4\u30eb\u30aa\u30fc\u30d7\u30f3 \n$reader = [System.IO.File]::OpenRead($src)\n$writer = [System.IO.File]::OpenWrite($dst)\n\n# \u30d0\u30a4\u30ca\u30ea\u30b3\u30d4\u30fc\n$wbuf = New-Object byte[]( $chunk )\nwhile( $true )\n{\n    # \u5bfe\u8c61\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u5b9a\u30b5\u30a4\u30ba\u8aad\u307f\u8fbc\u307f\n    $size = $reader.Read($wbuf,0, $chunk)\n    if ( $size -eq 0 )\n    {\n        break;\n    }\n\n    # \u66f8\u304d\u8fbc\u307f\n    $writer.write($wbuf,0,$size)\n}\n$reader.Close()\n$writer.Close()\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3067\u8a00\u3046\u3068\u3053\u308d\u306e copy \/b \u3092 PowerShell \u3067\u3084\u3063\u3066\u307f\u307e\u3059\u3002\u7c21\u6613\u7248\u30b3\u30d4\u30fc\u3068 FileStream \u3092\u4f7f\u3063\u305f\u30b3\u30d4\u30fc\u306e\uff12\u7a2e\u985e\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u3053\u306e\u624b\u306e\u30b5\u30f3\u30d7\u30eb\u306f\u30cd\u30c3\u30c8\u306b\u306f\u5927\u91cf\u306b\u3053\u308d\u304c\u3063\u3066\u308b\u306e\u3067\u3059 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5357,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[22],"class_list":["post-1225","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows","tag-powershell"],"_links":{"self":[{"href":"https:\/\/www.tech-tips.takmaru.com\/index.php?rest_route=\/wp\/v2\/posts\/1225","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tech-tips.takmaru.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tech-tips.takmaru.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tech-tips.takmaru.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tech-tips.takmaru.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1225"}],"version-history":[{"count":0,"href":"https:\/\/www.tech-tips.takmaru.com\/index.php?rest_route=\/wp\/v2\/posts\/1225\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tech-tips.takmaru.com\/index.php?rest_route=\/wp\/v2\/media\/5357"}],"wp:attachment":[{"href":"https:\/\/www.tech-tips.takmaru.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tech-tips.takmaru.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tech-tips.takmaru.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}