On 10 сент. 2014 г., at 22:19, Rich Haase <rdha...@gmail.com> wrote:
> You can write a custom output format Any clues how can this can be done? > , or you can write your mapreduce job in Java and use a NullWritable as > Susheel recommended. > > grep (and every other *nix text processing command) I can think of would not > be limited by a trailing tab character. It's even quite easy to strip away > that tab character if you don't want it during the post processing steps you > want to perform with *nix commands. Problem is that the line itself contains a TAB in the middle, there will not be extra trailing TAB at the end. So it is not that simple. You never know if it is a TAB from the original line or it is extra TAB added by TextOutputFormat. Thanks!
