//! Test helper: print the value of a named environment variable, or empty if unset.
//!//! Usage: `pp_print_env <VAR>`
//!//! Not part of procpilot's public API. Used by internal tests.
fnmain(){let var =std::env::args().nth(1).unwrap_or_default();let value =std::env::var(&var).unwrap_or_default();println!("{value}");}