March 2012
Beginner to intermediate
230 pages
7h 27m
English
Content preview from Linux Pocket Guide, 2nd Edition
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File Text Manipulation
grep
|
Find lines in a file that match a regular expression. |
cut
|
Extract columns from a file. |
paste
|
Append columns. |
tr
|
Translate characters into other characters. |
sort
|
Sort lines of text by various criteria. |
uniq
|
Locate identical lines in a file. |
tee
|
Copy a file and print it on standard output, simultaneously. |
Perhaps Linux’s greatest strength is text manipulation: massaging a text file (or standard input) into a desired form by applying transformations, often in a pipeline. Any program that reads standard input and writes standard output falls into this category, but here we’ll present some of the most important tools.
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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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