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Command line - output results without overwriting the target file

I have a situation where I output the results from the CLI program:

eg. input.exe> ​​output.txt

Although output.txt already contains text, by default it is overwritten using the above command, how can you write output to output.txt without overwriting existing data?

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Use an operator >>; it adds output to existing file contents.

input.exe >> output.txt
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