sed, awk and grep are powerful tools to manipulate text, but they all have a learning curve that you may
not be willing to take. If you already know Ruby, you may use it to run some basic text manipulation tasks.
Piping the text to
ruby -ne [CODE] will put each input line in the special variable
$_, which you may
process as needed.
Below you’ll find a stupid example where we pipe the output of
ls and we get the absolute
path of each file using Ruby:
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