Two of the best reasons for building shell scripts on Unix systems are 1) to repeat complex sets of instructions without having to rediscover or even retype the commands, and 2) to repeat complex sets ...

I've talked before about how I am a lazy shell script programmer. It might be because I'm simply not a full-time professional software developer, and I don't even administer my own servers anymore—I ...

In this article, I want to cover a more fundamental aspect of shell scripting: working with command arguments. I suspect that most shell scripts go through an evolution with their command flags, ...

The Swish-e program is controlled by command line arguments (called switches). Often, it is run manually from a shell (command prompt), or from a program such as a CGI script that passes the command ...

In the previous installment in this series we looked at how to set up an Ada development environment, and how to compile and run a simple Ada application. Building upon this foundation, we will now ...