PL101: Shell, awk, sed: Advanced

Agenda:

• Shell metacharacters and modification of parsing order via quotes, escapes and eval
  
  
• Special variables, extended variable expressions, arrays and hashes
  
  
• Error-free handling of positional parameters via "$@"
  
  
• Variable scope and possible influence
  
  
• Differences in command substitution with `...` and $(...)
  
  
• Shell options in bash (shopt) with usage of extended file patterns
  
  
• Performance differences in conditional syntax
  
  
• Common misconceptions in short circuit expressions
  
  
• Pipe control via the shell option lastpipe and the array PIPESTATUS
  
  
• Setting up a powerful shell environment
  
  
• Optimization of vi editor for scripting purposes (indent, search/replace, etc.)
  
  
• Options evaluation using the getopts library
  
  
• Interactive menus using select loop
  
  
• Pattern matching in the shell using operator =~ and the BASH_REMATCH array, back references
  
  
• Problems with awk variables: context, field sorting, multidimensionality
  
  
• Possible interactions between shell, Unix commands and awk
  
  
• Remote automation of NetApp™ storage administration via shell and SSH
  
  
• Advanced awk functions: system, getline, strftime, split etc.
  
  
• Debugging
  
  
  
  

Objectives:

When administering via the shell and Unix commands, there are often several paths to the goal, but there are often significant differences in runtime, code brevity, and correctness of the results. In the course PL101 Shell, awk, sed: Advanced you will learn backgrounds and applications of such optimizations.

Target audience:

• System Administrators
• Database Administrators
• Application Administrators
• Network Administrators

Prerequisites:

To be able to follow the learning pace and course content in the workshop PL101 Shell, awk, sed: Advanced effectively, knowledge of Shell and Unix commands is advantageous.

We recommend prior participation in the course PL100 Shell, awk, sed: Basics.