Add a number of files to the transfer queue.
Add a number of files to the transfer queue.This function adds zero or more files for transfer, based on a UNIX glob (filename with wildcards). This function is very similar to xfer_add(), but is more useful for downloads than uploads. Be warned, this function executes the find UNIX command to expand the glob. This implies a relative lack of speed and a serious lack of security.
DO NOT CALL THIS FUNCTION WITH USER-SUPPLIED VALUES FOR THE filespec ARGUMENT.