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-X.txt
-X DIRHANDLE =item -X A file test, where X is one of the letters...filehandle, or a dirhandle, and tests the associated file to see if...perldoc.perl.org/functions/-X.txtRegistered: Wed Apr 02 18:10:21 UTC 2025 - 7.1K bytes - Viewed (0) -
ref.txt
C<ref> is often useful to just test whether a value is a reference,...doesn't perform a class membership test: a class's members also include...perldoc.perl.org/functions/ref.txtRegistered: Thu Apr 03 07:16:10 UTC 2025 - 2.6K bytes - Viewed (0) -
srand.txt
for a test program which has too many combinations to test comprehensively...predictable results, generally for testing or debugging. There, you use...perldoc.perl.org/functions/srand.txtRegistered: Wed Apr 02 07:07:18 UTC 2025 - 3.3K bytes - Viewed (0) -
defined.txt
(A simple Boolean test will not distinguish among L<C<undef>|/undef...should instead use a simple test for size: if (@an_array) { print...perldoc.perl.org/functions/defined.txtRegistered: Thu Apr 03 04:01:18 UTC 2025 - 2.8K bytes - Viewed (0) -
readdir.txt
it would have been testing the wrong file. opendir(my...then the condition actually tests for definedness of the expression's...perldoc.perl.org/functions/readdir.txtRegistered: Wed Apr 02 11:32:46 UTC 2025 - 1.5K bytes - Viewed (0) -
format.txt
example: format Something = Test: @<<<<<<<< @||||| @>>>>> $str,...perldoc.perl.org/functions/format.txtRegistered: Wed Apr 02 09:28:40 UTC 2025 - 377 bytes - Viewed (0) -
getsockopt.txt
Here's an example to test whether Nagle's algorithm is...perldoc.perl.org/functions/getsockopt.txtRegistered: Thu Apr 03 01:45:35 UTC 2025 - 1.6K bytes - Viewed (0) -
exists.txt
just because its existence was tested, any intervening ones will....existence due to the existence test for the C<$key> element above....perldoc.perl.org/functions/exists.txtRegistered: Wed Apr 02 04:46:45 UTC 2025 - 2.5K bytes - Viewed (0) -
dbmopen.txt
want to test whether you can write, either use file tests or try...perldoc.perl.org/functions/dbmopen.txtRegistered: Wed Apr 02 18:14:37 UTC 2025 - 2.2K bytes - Viewed (0) -
do.txt
executes the BLOCK once before testing the loop condition. (On other...statements the loop modifiers test the conditional first.) C<do...perldoc.perl.org/functions/do.txtRegistered: Wed Apr 02 10:58:16 UTC 2025 - 3.2K bytes - Viewed (0)