On Dec 3, 2007 12:51 PM, <[EMAIL PROTECTED]> wrote: > "Jeff Pang" <[EMAIL PROTECTED]> writes: > > mhh? It won't print a newline, it even won't print anything. > > b/c @ar is empty, for(...) doesn't go into it, 'print' won't be happened. > > Yeah your right... (what was I thinking...) but my point was that it > seems perl should say something about this. It seams at least as > significant as trying to use an undeclared var. >
which value was undeclared? the "$_" one? this is a built-in variable in perl, it doesn't need to be declared. anyway, you didn't use an undeclared value, so perl won't warn it. -- Jeff (yonghua) Pang MailSys and Antispam with Perl -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
