start page | rating of books | rating of authors | reviews | copyrights

Perl in a Nutshell

Perl in a NutshellSearch this book
Previous: Reference: count Chapter 8
Standard Modules 		Next: Reference: handles
 

exists 

$

s


->exists(


handle


)

Returns the handle if it is present, otherwise returns undef .

Previous: Reference: count Perl in a Nutshell Next: Reference: handles
Reference: count Book Index Reference: handles

Library Navigation Links

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