home | O'Reilly's CD bookshelfs | FreeBSD | Linux | Cisco | Cisco Exam  


opened

$

fh


->opened

Returns true if the object is currently a valid file descriptor.


Previous: Reference: getlines Perl in a Nutshell Next: Reference: ungetc
Reference: getlines Book Index Reference: ungetc

Library Navigation Links

Copyright © 2001 O'Reilly & Associates. All rights reserved.