Module executor 

Command execution engine for the Rush shell.

This module handles the execution of parsed AST nodes, including pipelines, control structures, redirections, and built-in commands.

Functions

execute

Evaluate an AST node within the provided shell state and return its exit code.

execute_trap_handler

Execute a trap handler command Note: Signal masking during trap execution will be added in a future update

expand_variables_in_string

Expands shell-style variables, command substitutions, arithmetic expressions, and backtick substitutions inside a string.