Collection of Bash Recipes

A collection of Bash scripts/recipes. My handy guide for Bash.

Recipes

• Basics - Bash basics.
  • Array - Arrays in bash.
  • Arithmetic - Arithmetic operations (integer and float) in bash.
  • Conditional - Basic conditional expressions in bash.
  • Datetime - Date time in bash.
  • Function - Functions in bash.
  • Loop - Different ways to loop in bash.
  • Prompting user - Ways to prompt the user for inputs.
  • String - String manipulation in bash.
  • Variables - Variables in bash.
• Exit code conditional - Check the exit code of a command execution.
• In-place file edit - Edit the content of a file eg. change a line, remove a line, etc. Useful for dynamically changing the content of a file.
• Pretty print - Print text with color.
• Set trap - Examines the use of the trap command and how it is used to handle a system signal like SIGTERM and SIGINT.
• Wait for TCP port - Connects to a TCP port using the nc command in every x seconds for n tries.
• Working diretory - Get the path of a working directory.

Right now, these bash recipes are specific to MacOS.