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I have a command line program, which outputs logging to the screen.
I want error lines to show up in red. Is there some special character codes I can output to switch the text color to red, then switch it back to white?
I’m using ruby but I imagine this would be the same in any other language.
Something like:
red = '\0123' # character code white = '\0223' print '#{red} ERROR: IT BROKE #{white}' print 'other stuff'
You need to access the Win32 Console API. Unfortunately, I don’t know how you’d do that from Ruby. In Perl, I’d use the Win32::Console module. The Windows console does not respond to ANSI escape codes.
According to the article on colorizing Ruby output that artur02 mentioned, you need to install & load the win32console gem.