This section presents several shell script examples.Of course, there is a Linux command that already implements line-count functionality: wc (forSee the section on arrays in the Advanced Bash-Scripting Guide:. !/bin/ bash Counting the number of lines in a list of files function version . Creating my first shell script. The bash (Bourne-Again Shell) is the default shell in most of the Linux distributions and OS X. It is an open-source GNU project that was intended to replace the sh (Bourne Shell), the original Unix shell. Linux Shell Scripting. Cookbook. Second Edition. Over 110 practical recipes to solve real-world, Steve Shell Scripting: Expert Recipes for Linux, Bash, and More Generic operational risk l Practical examples where shell scripting actively used. Monitoring your Linux system. Data backup and creating snapshots. !/bin/bash Shell Script wrapper to Run PHP5 using modfastcgi under Apache 2.2.x Tested under CentOS Linux and FreeBSD and 7.x server. Shell Scripting - Bash Scripting Tutorial with examples for Linux/Bash /Unix.More than 60 programming real world examples where shell script is used to automate tasks. A step-by-step process of writing shell scripts that solve real-world problems. Linux BASH Shell Scripting. Basics of Creating and Utilizing BASH Scripts .IMPORTANT NOTE: If you try and cut and paste the examples in this document, you will probably need to manually replace the special characters since the word processor modifies them for presentation. Math in Shell Scripts.
One thing that often confuses new users to the Unix / Linux shell, is how to do (even very simple) maths.Basic mathematics using bash script. Program menu. 1. addittion 2. subtraction 3.
multiplication 4. division 5. exit. Writing a Simple Bash Script. The first step is often the hardest, but dont let that stop you. If youve ever wanted to learn how to write a shell script but didnt know where to start, this is your lucky day. This permits use in a test construct within a shell script. Example 12-27. Using cmp to compare two files within a script.Using wc to count the instances of the word "Linux" in the main source file for this book.