May 2013
Beginner to intermediate
384 pages
7h 40m
English
book
Linux Shell Scripting Cookbook, Second Edition - Second Edition
by Shantanu Tushar, Sarath Lakshman
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Translating with tr
tr is a small and beautiful command in the Unix command-warrior toolkit. It is one of the important commands frequently used to craft beautiful one-liner commands. It can be used to perform substitution of characters, deletion of the characters, and squeezing of repeated characters from the standard input. It is often called translate
, since it can translate a set of characters to another set. In this recipe we will see how to use tr to perform basic translation between sets.
Getting ready
tr accepts input only through stdin (standard input) and cannot accept input through command-line arguments. It has the following invocation format:
tr [options] set1 set2
Input characters from stdin are mapped from set1 to set2 and the output ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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