1 NET2003 - Introduction to Shell Scripts

This is a reference page for learning how to write Unix/Linux shell scripts, used for a guest lecture by Ian! in NET2003 in Winter 2016.

The regular course professor is Carolina Ayala, currently vacationing in Colombia.

2 Notes from Carolina Ayala:

• http://linux-training.be/funhtml/index.html (section IV, V, VII)
• http://linuxconfig.org/bash-scripting-tutorial
• http://wiki.bash-hackers.org/howto/getopts_tutorial
• Assignment 5 PDF

3 Notes from Ian!

• CST8207 Shell Scripts
  • lists of commands, executable scripts, script header, command arguments and positional parameters
• CST8207 Shell Command Substitution
  • interpolate stdout into a command line using $(...) or `...`
• CST8207 Shell Script Exit Status
  • Command exit status – variable $?
• CST8207 Shell Script Control Structures
  • if, then, else, elif, test, [...], shift, while, do, done, case, esac
• CST8207 Shell Script Problems
  • arithmetic, syntax, test, boolean, etc.
• CST8129 Unix/Linux Script Languages
  • an entire course on Shell Scripting (Fall 2005) with lots of examples