[erlang-questions] ANSI escape sequences in the erlang shell

David Sveningsson <>
Thu Apr 2 15:36:39 CEST 2009


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Andrew Thompson wrote:
> Is there a reason the erlang shell is making my attempts to print ANSI
> escape sequences (specifically the color codes) fail? I've tried
> io:format with both \e, inlining the ctrl-esc manually (using
> ctrl-v in vim) and using \033 (the ASCII octal code for the escape).
> None of these get me color in the shell, I just see the ^[[31m or
> whatever.
> 
> It was my impression that the terminal caught those sequences and
> converted them to color codes - what is the shell doing to the control
> sequences that's preventing them from working?

It is at least working for me when I'm using -noshell and -run.


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