A recent post about debugging constructs surprised me. There were quite a few comments about how you didn’t need a debugger, as long as you had printf. For that matter, we’ve all debugged systems ...

Last week's post provided some tips and tricks for debugging scripts. This week's provides some even better ones! In last week’s posting, I mentioned the -x and -v options that can be used on the ...

Bash scripts are powerful, but with power comes great responsibility. It’s very easy for sloppy or poorly-planned code to do real damage, so it’s a good idea to be careful and practice defensive ...

If you do much Linux shell scripting, you’ve probably encountered sed — the stream editor — in an example. Maybe you’ve even used it yourself. If all you want to do is substitute text, it is easy and ...

Here are some of the more popular bash options to control how scripts work on Linux and how to list the available options, including seeing which ones are turned on. Bash provides a large number of ...

If you write code for Linux systems, chances are you will have used the venerable GNU Debugger (GDB). Acting as a back end for many GUIs and the interface to various JTAG debugging tools in the ...