Determining the file name in Developer Help
client/verb/open_file(f as file) { var file_name = ? // this line here }
client/verb/open_file(f as file) usr << "[f]"
> client/verb/open_file(f as file)> usr << "[f]"> This seems to report the name of a file.
> client/verb/open_file(f as file)> usr << "[f]">
This seems to report the name of a file.