Created
          September 15, 2015 04:10 
        
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    Override console.log to print line number ( and filename ) (sometimes helpful in nodejs debugging)
  
        
  
    
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  | _log = console.log; | |
| global.console.log = function() { | |
| var traceobj = new Error("").stack.split("\n")[2].split(":"); | |
| var file = traceobj[0].split(process.env.PWD + '/')[1]; | |
| var line = traceobj[1]; | |
| var new_args = [file + ":" + line + " >>"]; | |
| new_args.push.apply(new_args, arguments); | |
| _log.apply(null, new_args); | |
| }; | 
Nice trick but the stack property of en Error object is tagged as "Non-standard". I would check if Error("").stack returns as undefined and work around with a default fallback if it is.
  
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This solved my problem perfectly!
Now I just need to understand it all! 👍