advanced bash scripting guide pdf

http://tldp.org/LDP/abs/html/Advanced Bash Scripting Programming GuideAn in-depth exploration of scripting language artThis tutorial does not assume previous scripting or programming knowledge, but progresses quickly toward an intermediate/

　　At the beginning of the new year, the knowledge base of open source class is online. Early on, the Linux command Encyclopedia/bash Reference, Advanced Bash Scripting Programming Guide, is available in two series. Other materials are on the line.Among them, the

Advanced Bash-scripting Guide (19th): maximum common divisor of two integers, bashscripting The example selected in this article is from the book "Advanced Bash-scripting Gudie", transl

Advanced Bash-scripting Guide (17): use more to view gzip files, The example selected in this article is from the book "Advanced Bash-scripting Gudie", translated by Yang chunmin Huang

Advanced Bash-scripting Guide (15th): Test broken link files (broken link ), The example selected in this article is from the book "Advanced Bash-scripting Gudie", translated by Yang ch

Advanced Bash-scripting Guide (18): [[] and [] some special cases, bashscripting The example selected in this article is from the book "Advanced Bash-scripting Gudie", translated by Yan

Case statement and scripting Options Advanced Detail the control flow in the process-oriented programming language (that is, the statements in the program) is executed sequentially by default.Control structure of programming language there are three categories:1, sequential structure2, select structure(1) If statementIf statement for a single branchFormat: If Condition1;thenExpression...FiIf statement for t

Advanced Bash Script Programming Guide-general Linux technology-Linux programming and kernel information. Read the following for details. Advanced Bash Script Programming Guide Main directory Part 1. Warm up 1. Why use shell pro

File test operations-advanced bash Script Programming Guide /Span> 7.2 file testing operations----------------Returns true if...-E file exists-File a exists.This option has the same effect as-e, but it has been discarded and is not encouraged.-F file is a regular file (not a directory or a device file)-S file length is not 0-D files are directories.-File B is a b

I like a wordThe only-to really learn scripting are to write scriptsThe only way to learn a script is to write a scriptBetter command-line parameter detectione_wrongargs=85 # non-numerical argument (Bad argument format).41 ## case "$" in# "") lines=50;;# *[!0-9]*) echo "Usage: ' basename $ ' lines-to-cleanup";No number in the middle of the argument, invalid argument# exit $E _wrongargs;;# *) lines=$1;;# ESACMore Efficient directory detection3 # Cd/var

Directory Part 1. Warm up Why use shell programming? Start with a sha-bang (Sha-bang refers #!) Call a script Preliminary exercises Part 2. Basics Special characters Introduction to variables and parameters Variable replacement Variable assignment Bash variables are of no type. Special variable types References (translation may be incorrect, especially quotation marks) Reference variable Escape (/) Ex

"$octal"]Ten Thenecho "$decimal equals $octal"Elseecho "$decimal isn't equal to $octal" # Equal to 017+ fi # doesn ' t evaluate within [single brackets]!if [["$decimal"-eq "$octal"]]Thenecho "$decimal equals $octal" # equals 017Elseecho "$decimal is not equal to $octal"FI # evaluates within [[double brackets]]!((...)) Arithmetic testIf the expression evaluates to 0, its exit status code is 1 or FalseIf the expression evaluates to non-0, its exit status code is 0 or TrueIts exit status and [...]

${file#*.} : Take out the first one. And the string to the left: file.txt${file##*.} : Take out the last one. And the string to the left: txt${file%/*}: Take off the last bar/its right string:/dir1/dir2/dir3${file%%/*}: Remove the first/its right string: (null value)${FILE%.*}: Take off the last one. And the string to the right:/dir1/dir2/dir3/my.file${FILE%%.*}: Take out the first one. And the string to the right:/dir1/dir2/dir3/myThis article is from the "Linux is belong to You" blog, make sur

the browser of multiple players.HTML5 Game Development Advanced Guide DirectoryChapter 1th HTML5 and JavaScript overviewThe 2nd Chapter creates the basic game world3rd Physics Engine BasicsThe 4th Chapter Physics engine IntegrationThe 5th chapter creates the world of real-time strategy gameThe 6th chapter joins the unit7th Unit Intelligent MobileThe 8th chapter adds more game elementsChapter 9th adding wea