Book title : Shell Script pearls (Paperback). Author : Ron Peters, publisher : 16 Ton Press, pub Date : 11-may-2007. Isbn 10:, pages : 320 level of experience needed : Intermediate linux / unix sys admin Who will find useful : Linux/unix sys admin / geeks Additional goodies included (such as cdrom)? no ratings : 4/5 Purchase online @ Amazon. More, the latest novel in the will Trent series from. 1 bestselling author, karin Slaughter. A body is discovered in an empty Atlanta warehouse. It's the body of an ex-cop, and from the moment Special Agent Will Trent walks in he knows this could be the most devastating case of his career. Bloody footprints leading away from the scene reveal that mom another victim - a woman - has left the scene and vanished into thin air.
Chapter 26 to 42 provides essay advanced code examples and techniques such as: reading variables from a flat text file. Automating ftp task, automating email with procmail, automating rcs. Writing a process management, running process from inittab file, password aging notification. System snapshots, rotating log files etc, you will find shell man pages difficult to use and w/ examples. Ron has done good job explaining and providing valuable shell script code. You can use samples in your own projects. I recommend this book for every linux / unix geek and System Administrator.
Chapter 19: Instant keyboard Response â learn how to write a key press detection shell script. For example detect keys pressed by end user and take an action. Chapter 20: Directory copying learn how to copy all sort of files using various tools. Chapter 21 and 22: A brief tour of the x display environment â learn basic usage of X windows system. Chapter 23: Command line email attachments â learn how to send emails from a command line. Chapter 24: Text processing one â liners: learn basic usage of common tools such as awk, expr, sed and many others. Chapter 25: Editing Files in Place â learn how to use ed to edit text file and perform search and replace operations.
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Chapter 9: Data redirection If you get confused with output redirection or I/O redirection, this chapter provides the better understanding about redirection. Chapter 10: Piping Input to read learn about pipes and related gotcha that came across while writing a spondylolisthesis portable script. Chapter 11: Math from the shell handles learn how to use expr, bc and other tools to perform mathematical calculations from a shell. Chapter 12: Cron learn how to create complex cron jobs and schedule jobs. Chapter 13: Self-Linked Scripts This is one my favorite technique â for example a shell script called backup can be called in several different names to make a backup to ftp server, tape or another server. Chapter 14: Throttling Parallel Processes learn how to run a shell script more efficiently in large multi-user environments.
Chapter 15: Command Line Editing and History learn how to set various command line editing mode to save time. Chapter 16: Scripting from the command line learn how to write quick and dirty one liners from a command prompt. Chapter 17: Automating User Input with expect learn how to provide password / username and other parameters using expect tool. Chapter 18: User Input Timeout learn how to write more advanced scripts. If the user doesnât provide input in a specified time the script should continue running with a default input.
The book doesnât explain basic programming structure and syntax. If you are the beginner get some basic book or start with our own tutorial. You will find lots of useful collection of a shell scripts and practical examples that can be used in day today life. Chapter 1: Shell script Debugging you learn about manual and automated shell scripting debug techniques. Chapter 2: Standard Functions Library you will learn how to create a library for common task.
Chapter 3: Date and time manipulation many administrative tasks such as backup heavily depends upon date and time. This chapter explains date and time calculations. Chapter 4: Comparison and tests learn how to write and use the comparison and test using conditional statements and loops. Chapter 5: Accepting Command Line Options and Parameters learn how to pass optional parameters to you script to provide more customization. Chapter 6: Testing Variables and Assigning Defaults â learn about setting default variables or input parameters for a script. This will help you write customized and configurable shell script. Chapter 7: Indirect Reference variables learn how create indirect variable names (ability to generate variable names on fly). Chapter 8: Shell process tree you will learn about creating a shell process tree script for the currently running or all process.
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Neurothing - murder book full-length, june 1, 2009 - unsigned. Hands of death. High pain Threshold. More Than Time. Last Page shakespeare has Begun. Shell Script pearls is designed to provide information about shell scripting. The book is collection with all tips and code sample you need to learn about shell scripting. Author has clearly demonstrated unique tools and script samples that go beyond the level of basic scripting. The book is useful for geeks, hackers, sys admin and advanced users.
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was the evidence used by the author accurate? does the author's use and interpretation of this evidence lead the reader to the same conclusion? did the author build a logical argument? is there other evidence that would support a counter-argument? are the article and the evidence still valid or are they best outdated, leading to an invalid conclusion? was the author successful in making his/her point? Wrap up by: - stating whether you agree with the author.
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What is a critique? a critique is a paper that gpa gives a critical assessment of a book or article. Steps - begin by reading the book or article and annotate as you read. note the author's main point/thesis statement. divide the book/article into sections of thought and write a brief summary of each thought in your own words. Introduction - start your critique with sentences giving the following information: - author's name - book/Article title and source - author's thesis statement, summary - summarize the author's purpose and main points/evidence cited that are used for back. Review evaluate, to critically review the piece, ask the following questions: - what are the credentials/areas of expertise of the author? did the author use appropriate methods to gather the evidence?