David's Computer Stuff Journal

Erlang: Log to Files

Posted by David N. Welton Mon, 24 May 2010 13:26:00 GMT

Since I had a heck of a time finding out how to do something that ought to be really easy, I thought I'd post what I found.  If you want Erlang to write errors to a file instead of stdout, add this to the command line:

-kernel error_logger '{file, "/tmp/erl.log"}'

Maybe there's a better solution, in which case feel free to correct me.

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  1. Brian Coca
    about 1 hour later:

    I've always found easier to redirect stdout/stderr than to have a program take care of its own log file.

    Even piping to logger is a good solution as you can add all useful info the program might not print itself (time, pid, etc)