File and Directory Handles
Perl 5.6.1 and newer support autovivification of file and directory handles. Calling open
on an undefined variable will set it to a filehandle. According to perl561delta, "his largely eliminates the need for typeglobs when opening filehandles that must be passed around, as in the following example:
Read more about this topic: Autovivification
Famous quotes containing the words file and/or directory:
“I have been a soreheaded occupant of a file drawer labeled Science Fiction ... and I would like out, particularly since so many serious critics regularly mistake the drawer for a urinal.”
—Kurt Vonnegut, Jr. (b. 1922)
“Although then a printer by trade, he listed himself in this early directory as an antiquarian. When he was asked the reason for this he replied that he always thought every town should have at least one antiquarian, and since none appeared for the post, he volunteered.”
—For the State of Iowa, U.S. public relief program (1935-1943)