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    <p>If you need to copy large files, or files and all the system permissions associated with a file, using java internal File.copy() will be too expensive, so you can offload all the load to your system.</p> <p>Try the following trick - first, user string array as an argument to exec(); second, execute your 'xcopy' in a pipe after 'cmd' command with /C argument. Look at the sample code near line where I make isWindows() call. </p> <p>The trick is that your xcopy command will be executed inside CMD shell, and /C will terminate it after successful execution. More about<a href="http://ss64.com/nt/cmd.html" rel="nofollow">CMD.exe</a>.</p> <pre><code>public int sysCopyFile(Resource fromResource, Resource toResource) throws ServiceException { int returnCode = -1; try { String[] copyCommand = null; if ( IOUtils.isWindows() ) { copyCommand = new String[] {"cmd", "/C", "copy", "/Y", fromResource.getFile().getAbsolutePath(), toResource.getFile().getAbsolutePath()}; } else if ( IOUtils.isUnix() || IOUtils.isMac() ) { copyCommand = new String[] {"/bin/cp", "-pr", fromResource.getFile().getAbsolutePath(),toResource.getFile().getAbsolutePath()}; } final Process p = Runtime.getRuntime().exec(copyCommand); new StreamLogger(p.getErrorStream(), log, StreamLogger.WARN); new StreamLogger(p.getInputStream(), log, StreamLogger.DEBUG); returnCode = p.waitFor(); if (returnCode != 0) throw new ServiceException("Unable to to copy. Command: {" + copyCommand[0] + "} has returned non-zero returnCode: " + returnCode); } catch (IOException e) { throw new ServiceException(e); } catch (InterruptedException e) { throw new ServiceException(e); } return returnCode; } </code></pre>
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    1. POWindows xcopy using java Runtime.exec not working for filenames with chinese characters
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    1. COSeego.Thanks for the reply. But this too does not work when i change to xcopy. It gives me file not found
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    2. COprint out the copyCommand array on the console and check if command is created correctly
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    3. COThis is how my command looks like cmd = new String[]{"cmd", "/C", "xcopy", "/R", "/C", "/Y","/S", source.getAbsolutePath(), destPath.getCanonicalPath()};
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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