Configure Node.js to log to a file instead of the console

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Update 2013 – This was written around Node v0.2 and v0.4; There are much better utilites now around logging. I highly recommend Winston

Update Late 2013 – We still use winston, but now with a logger library to wrap the functionality around logging of custom objects and formatting. Here is a sample of our logger.js https://gist.github.com/rtgibbons/7354879

Should be as simple as this.

var access = fs.createWriteStream(dir + '/node.access.log', { flags: 'a' })
      , error = fs.createWriteStream(dir + '/node.error.log', { flags: 'a' });

// redirect stdout / stderr
proc.stdout.pipe(access);
proc.stderr.pipe(error);

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