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Ingy döt Net 2013-04-11 01:07:29 -07:00
parent b83f433714
commit 68f8f3e56b
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Task/Truncate-a-file/Mathematica/truncate-a-file.math Normal file
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Truncate[file_, n_] := Module[{filename = file, nbbytes = n, temp},
temp = $TemporaryPrefix <> filename;
BinaryWrite[temp, BinaryReadList[filename, "Byte", nbbytes]];
Close[temp]; DeleteFile[filename]; RenameFile[temp, filename];
]