= remove: remove a file include "sys.m"; sys := load Sys Sys->PATH; remove: fn(file: string): int; Remove removes file from the directory containing it and dis‐ cards the contents of the file. The user must have write permission in the containing directory. If file is a direc‐ tory, it must be empty. Remove returns zero if it deletes the file, -1 otherwise. == see ALSO sys-intro(2)