shopt s extdebug

Q1: What is shopt -s extdebug in a Linux Bash environment? A1: shopt -s extdebug is a Bash built-in command that enables extended debugging features. When you set this option with shopt -s extdebug, several debugging and verbose functionalities are enabled in the shell, such as enhanced function tracing and more detailed error reports. This is particularly useful for script developers looking to debug complex scripts. Q2: How does declare -ft work in conjunction with shopt -s extdebug? A2: The declare -ft command is used specifically to trace shell functions. When used by itself, declare -f lists functions and their definitions.

When diving into the world of Linux Bash, shopt -s extdebug emerges as a potent but often underappreciated tool. Today, we'll explore how this option can modify function trace behaviors, enhance debugging capabilities, and simplify understanding complex scripts. Q1: What is shopt -s extdebug? A1: shopt is a shell builtin command used to toggle the values of settings controlling optional shell behavior. The -s option enables (sets) these settings. The extdebug option, when enabled, provides enhanced debugging features that help in the debugging of shell scripts, by extending the functionality of debugging and providing more detailed tracing capabilities.