module vhelp import os pub fn show_topic(topic string) { vexe := os.real_path(os.getenv('VEXE')) vroot := os.dir(vexe) target_topic := os.join_path(vroot,'cmd','v','internal','help','${topic}.txt') content := os.read_file(target_topic) or { eprintln('Unknown topic: $topic') exit(1) } println(content) }