Windows copy command return codes?

Question

I would like to test for the success/failure of a copy in a batch file, but I can\'t find any documentation on what if any errorlevel codes are returned. For example

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Answer 1

It might also be worth pointing out that xcopy doesn't always return the error code you expect.

For example when trying to copy multiple files with a wildcard but there are no files to copy you expect a return error code of 1 ("No files were found to copy"), but it actually returns 0 ("Files were copied without error")

C:\Users\wilson>mkdir bla

C:\Users\wilson>mkdir blert

C:\Users\wilson>xcopy bla\* blert\
0 File(s) copied

C:\Users\wilson>echo %ERRORLEVEL%
0