chinnurtb / detect_output_type Goto Github PK

Detect when user run with Erlang shell output or file output.
In some applications, you want to know when user run application with Erlang shell
output? or file output?
    In Ruby, you can know it by: $stdout.tty?
    In Python, you can know it by: sys.stdout.isatty()
    e.t
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Run:
    make compile
    make sample
    make sample > result.txt
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Explain:
    If you run: make sample
    That mean you choose Erlang shell output.
    In the sample, output to shell "Hello world!" with red color

    If you run: make sample > result.txt
    That mean you choose file output.
    In the sample, output to file "Hello world!"