<execute-command> ::= ( execute | execute-silently ) <file> <file> ::= <blank-free-string>
Further execute commands may occur in .lp files, but recursive .lp files are not allowed. Once a .lp file has been exhausted, LP resumes accepting input from the previous .lp file or from the user if no other file is being executed. If LP encounters an error while executing a file, or if the user interrupts LP, LP takes subsequent input from the terminal.
The execute-silently command is just like execute, except that it produces no output.