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I try to write to a large file, but it seems like it does not work for files larger than 2GB. I have tried with boost::iostreams::file_sink. Is this just a limit with the boost stream? Is there some other way I can write a large file on Win64 and win32?
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To be able to open such large CSV files, you need to download and use a third-party application. If all you want is to view such files, then Large Text File Viewer is the best choice for you. For actually editing them, you can try a feature-rich text editor like Emacs, or go for a premium tool like CSV Explorer.
Using FileChannel Next, we will cover an example of using Java FileChannels to transfer a very large amount of data from one file to other. Here, we are using a buffer of (4 * 1024) size. From the output it is clear that, this is so far the fastest and most memory efficient way of processing large files.
This depends on:
This might also help: http://www.boost.org/doc/libs/1_37_0/libs/iostreams/doc/faq.html#offsets
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