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So yeah, getting used to Bash is about finding the right way to do things. However, learning one-liners and picking up information here and there is all very useful, finding something you don't need to Google in order to recall is extremely important. Take the case of recursive find and replace. We've all been there, it needs to be done frequently but you're either a) scared or b) forgetful. Then you use the same snippet from a web resource again and again and eventually make a serious error and boom, simplicity is now lost on you! So here it is, something you can remember so that you don't use different methods depending on what Google throws up today. grep -Rl newertext .