BASH Script to generate PDF of Source Code with Syntax Highlighting using LaTeX

Sometimes when I'm learning I like to print source code on paper because I find it easier to read, and nicer to annotate.

I had a rummage online to see if anyone had come up with a nice way to generate PDFs of source code, and improved what I found into this useful BASH script. The script searches for source code in the current directory and its subdirectories, and uses the typesetting software LaTeX to create a PDF of the contents with syntax highlighting.

Shellshock BASH probe alert using Fail2ban

"Shellshock" is the nickname for a recently discovered vulnerability in GNU BASH (Bourne-Again SHell) that has the potential to allow an attacker to execute arbitrary commands through carefully crafted environment variables (see CVE-2014-6271).

This is bad for desktop users, but far worse for servers because it's possible to exploit this vulnerability by attacking CGI scripts. The CGI script doesn't even have to be written in BASH; on distributions that use BASH as the default shell, the environment variables will be passed to BASH before any CGI script is executed. Luckily, the default shell in Debian is DASH, which limits the problem for Debian derivatives like Ubuntu and Raspbian.

If you run a Linux or UNIX-like system that uses BASH, you should update to the new patched version now. In fact, most Linux users probably updated before they even realised anything was wrong, since the patched version was available in the repositories very quickly. Meanwhile, Mac users were still waiting for Apple to comment... lol.

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