Command-line start-up arguments that contain paths

April 16, 2015

Recently I was working on a console app; my start-up arguments looked like this:


ArgumentOne “c:\tmp\” “c:\tmp2”

And I got an error with the following code:

[sourcecode lang=“csharp”] string argumentone = args[0]; string sourceDir = args[1]; string destinationDir = args[2];

Turns out that the \\" escapes the final quote of the second argument, and so the third line crashes because there were only two arguments.  The fix is simple:

ArgumentOne "c:\\tmp" "c:\\tmp2"

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