Perl One-liners

Perl One-liners

Details

Author(s)
Peteris Krumins
Format
Paperback | 168 pages
Dimensions
178 x 234 x 11.94mm | 394.63g
Publication date
30 Dec 2013
Publisher
No Starch Press,US
Publication City/Country
San Francisco, United States
Language
English
Illustrations note
black & white illustrations
ISBN10
159327520X
ISBN13
9781593275204
Bestsellers rank
927,045

Description

Part of the fun of programming in Perl lies in tackling tedious tasks with short, efficient, and reusable code. Often, the perfect tool is the one-liner, a small but powerful program that fits in one line of code and does one thing really well.In Perl One-Liners, author and impatient hacker Peteris Krumins takes you through more than 100 compelling one-liners that do all sorts of handy things, such as manipulate line spacing, tally column values in a table, and get a list of users on a system. This cookbook of useful, customizable, and fun scripts will even help hone your Perl coding skills, as Krumins dissects the code to give you a deeper understanding of the language.You'll find one-liners that:

Encode, decode, and convert stringsGenerate random passwordsCalculate sums, factorials, and the mathematical constants π and eAdd or remove spacesNumber lines in a filePrint lines that match a specific patternCheck to see if a number is prime with a regular expressionConvert IP address to decimal formReplace one string with anotherAnd many more! Save time and sharpen you coding skills as you learn to conquer those pesky tasks in a few precisely placed keystrokes with Perl One-Liners.


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