How to Async Execute Shell Command in Tcl - Code Snippet

# Task: Async Execute Shell Command
# Language: Tcl

proc async_execute_shell_command() {
    # Implementation for Async Execute Shell Command
    set result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Async Execute Shell Command
    puts("Done");
}