Freaks City

Function Exit Status Codes Scripts use exit to define exit status codes and terminate executoin. Functions use return to define exit status codes and terminate execution. #!/bin/bash # Function with conditional exit status check_file() { if [ -f "/etc/hosts" ]; then echo "File exists" else return 2 ...

Functions in shell scripting are reusable blocks of code designed to perform specific tasks. They help avoid redundancy by encapsulating common operations, making scripts more modular and maintainable. Libraries, which are collections of functions, allow sharing functionality across scripts without code duplication. Function Invocation To call ...