What happened with this file?
infile = "\\test data.txt";
outstr = OpenWrite[infile];
instr = OpenRead[infile];
Read[instr, Record];
Close[instr];
All content of "test data.txt" was lost.
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asked Mar 22 '13 at 8:19
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OpenWrite["file"] open an output stream to a file, wiping out the previous contents of the file
... it's gone, you deleted it :
answered Mar 22 '13 at 8:45
OpenAppend. $\endgroup$ – Mr.Wizard♦ Mar 22 '13 at 16:52