Shell Scripting

I've been writing shell scripts since the early 1990's. Over the years I've built up a collection of useful scripts, functions and one-liners, that others might find useful.

My Shell Setup

I use bash on all of my machines, mostly because I've been using it for the past 20+ years and it's what I'm used to. I also find it useful to be able to be able to type the same commands I use in my scripts, and know that the shell I'm typing them into will do exactly what the shell that executes the script will do.

My .bashrc file is fairly small, however it includes this:

for F in "$HOME"/.bashrc.d/*
do
    if [[ -f "$F" ]]
    then
        source "$F"
    fi
done

This lets me add files to my $HOME/.bashrc.d/ directory, where they will be included while the $HOME/.bashrc file is being processed. The filenames within the directory are automatically sorted by name when the shell expands the * into a list of filenames, so the filenames control what order the files are processed.