You are here

Download Advanced bash-scripting guide by Mendel Cooper PDF

By Mendel Cooper

This is often the full reference at the Borne back shell (bash). quantity 1Volume 2 comprises all appendices.

Show description

Read or Download Advanced bash-scripting guide PDF

Similar programming books

Visual C Sharp Game Programming for Teens 2011

Learn tips to create your individual absolutely functioning role-playing video game (RPG) with visible C# online game PROGRAMMING for youths! a real beginner's advisor, the publication covers every one crucial step for growing your personal entire RPG utilizing home windows kinds and GDI+, together with a tiled scroller, online game editors, and scripting. whereas a few event with visible C# is useful, this booklet is an introductory consultant for readers who're new to programming or new to programming for video games and need to benefit the fundamentals of RPG video game mechanics. you are going to study through learning the quick examples in every one bankruptcy, construction the entire RPG known as Dungeon Crawler as you progress from one bankruptcy to the following, with new positive factors and online game play components further in each one new bankruptcy. alongside the way in which you'll realize find out how to load and draw bitmaps, create sprites, render a video game global, hold song of stock and personality stats, and construct instruments together with a degree editor, personality editor, merchandise editor, and monster editor. And the completed Dungeon Crawler video game contains the entire resource code and instruments you'll want to make your personal extraordinary RPGs with a great deal of cool positive factors and performance.

Structure Formation in Solution Ionic Polymers and Colloidal Particles

This e-book is designed to significantly evaluate experimental findings on ionic polymers and colloidal debris and to end up a theoretical framework in keeping with the Poisson-Boltzmann strategy. constitution formation in ionic polymer strategies has attracted realization because the days of H. Staudinger and J. D. Bernal.

Automata, Languages and Programming: 19th International Colloquium Wien, Austria, July 13–17, 1992 Proceedings

This quantity offers the lawsuits of the nineteenth foreign Colloquium onAutomata, Languages, and Programming (ICALP ninety two) in a sequence of conferences backed through the eu organization for Theoretical laptop technological know-how (EATCS). ICALP is a largely established convention overlaying all facets of theoretical desktop technological know-how, together with such subject matters as computability, automata, formal languages, time period rewriting, research of algorithms, computational geometry, computational complexity, symbolic and algebraic computation, cryptography, info kinds and information constructions, conception of databases and data bases, semantics of programming languages, application specification, transformation and verification, foundations of common sense programming, concept of logical layout andlayout, parallel and dispensed computation, thought of concurrency, and thought of robotics.

Additional resources for Advanced bash-scripting guide

Example text

Wild card [asterisk]. The * character serves as a "wild card" for filename expansion in globbing. By itself, it matches every filename in a given directory. sh The * also represents any number (or zero) characters in a regular expression. * arithmetic operator. In the context of arithmetic operations, the * denotes multiplication. ** A double asterisk can represent the exponentiation operator or extended file-match globbing. test operator. Within certain expressions, the ? indicates a test for a condition.

Null command [colon]. This is the shell equivalent of a "NOP" (no op, a do-nothing operation). It may be considered a synonym for the shell builtin true. The ":" command is itself a Bash builtin, and its exit status is true (0). 1 : 2 echo $? Endless loop: 1 while : # 0 2 3 4 5 6 7 8 9 10 11 12 13 do operation-1 operation-2 ... operation-n done # Same as: # while true # do # ... # done Placeholder in if/then test: 1 2 3 4 5 if condition then : # Do nothing and branch ahead else # Or else ... take-some-action fi Provide a placeholder where a binary operation is expected, see Example 8-2 and default parameters.

Echo; echo numbers="one two three" # ^ ^ other_numbers="1 2 3" # ^ ^ # If there is whitespace embedded within a variable, #+ then quotes are necessary. # other_numbers=1 2 3 # Gives an error message. echo "numbers = $numbers" echo "other_numbers = $other_numbers" # other_numbers = 1 2 3 # Escaping the whitespace also works. mixed_bag=2\ ---\ Whatever # ^ ^ Space after escape (\). ). uninitialized_variable= # Declaring, but not initializing it -#+ same as setting it to a null value, as above.

Download PDF sample

Rated 4.41 of 5 – based on 35 votes
Top