ref: c70d9304f4e189581810f4be4057ba8eff111bad
dir: /module/filepat.m/
Filepat: module { PATH: con "/dis/lib/filepat.dis"; # Turn file name with * ? [] into list of files. Slashes are significant. expand: fn(pat: string): list of string; # See if file name matches pattern; slashes not treated specially. match: fn(pat, name: string): int; };