Module shell 

Shell integration helpers.

This module provides helper functions for common shell operations.

Functions

command_exists

Checks if an executable exists in PATH.

default_shell

Gets the current platform’s shell executable name.

eval

Executes a shell command string.

get_env

Gets environment variable value safely.

is_unix

Checks if running on a Unix-like system.

is_windows

Checks if running on Windows.

shell_exec_flag

Gets the shell flag for executing a command string.

which

Finds the full path to an executable.