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.NET Forum / Languages / C# / March 2008File Conversion
is there any way to change format of any kind of file to little endian or big endian in c# > is there any way to change format of any kind of file to little > endian or big endian in c# Well, you would have to know the format of the file, so you would know whether to read sequences of Int16, Int32 etc. However, I have some classes which may help you - they're like BinaryReader and BinaryWriter, but you can specify the endianness. See http://pobox.com/~skeet/csharp/miscutil Jon thanks... > > is there any way to change format of any kind of file to little > > endian or big endian in c# [quoted text clipped - 8 lines] > > Jon No. To change the endianness, you need to understand the contents to know where each cluster of bytes begins and ends - for example, if the file contains 4 byes of Int32 "foo" and 2 bytes of Int16 "bar" - then without prior knowledge you don't know how many bytes to reverse. If you are just worrying about text files and UTF-16 then life is simpler - you can simply read and write the file specifying the desired Encodings : Encoding.Unicode and Encoding.BigEndianUnicode should do the job. Marc (note - you can of course change UTF-16 endianness more directly, but the approach cited applies to all other encodings, where-as a direct byte swap only works for encodings such as UTF-16; plus you don't need to worry about the BOM etc) [OP, via e-mail] > i have text file only which i want to convert in specified format > will this Encoding.Unicode and Encoding.BigEndianUnicode do the job .? Yes, assuming that your specified format is UTF-16. It should work with any other available encoding that you care to name. For reasonable-length files you can probably even get awasy with simply: string contents = File.ReadAllText(path, Encoding.Unicode); File.WriteAllText(path, contents, Encoding.BigEndianUnicode); (and even the first line might be considered overkill, as it will *usually* guess the incoming encoding) Marc Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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