Linux Shell Scripting with Bash Ken O. Burtch
Publisher: Sams

If you use bash for scripting If you always wondered why bash tends to use -ge or -eq instead of >= or ==, it's because this condition type originates from a command, where -ge and -eq are options. Shell script useradd linux | password | bash. Anthony James — November 25, 2012. Conditions in bash scripting (if statements). The first difference can be seen in the above example; when comparing strings, the double-bracket syntax features shell globbing. Before we begin our scripting series, let's cover some basic information. The following script will create upto five users and you will need to provide username and password on prompt. It takes the input and saves it to the variable $username. The default shell for the majority of Linux distributions is "bash". I've modified the original Plazes Launcher BASH Shell Script to add Linux-compatibility. Putorius - Linux Questions, Answers, How-tos, and General Information. Bash is available for Mac OS users and Cygwin on Windows, too. And that's what if does essentially, . Home ᐧ Wallpapers ᐧ Paper Tux ᐧ Have a Linux Question? Its useful to use shortcut commands for common tasks, especially when it comes to repository management. This is a shebang, and it tells the shell to run it as a bash script 2) echo "Please enter username:" Echo basically tells the script to write stuff to the screen. The code described here has been moved into Subversion. May look like a comment, but it is a special symbol that informs Linux which shell to run on the script — in this case, bash, located in the bin directory. Setting aliases using Linux bash shell script with arguments. This is the same for all the echo lines. This is an easy way to capture user input. We'll be using the bash shell, which most Linux distributions use natively. Here is the code for the script in question.