note xdg <p>It's worth mentioning this tidbit I picked up from HOP: <code>'0 but true'</code> is a special-case that will not issue a warning when used in a numeric context. </p> <code> $ perl -we 'print "0 but true" + 2' 2 $ perl -we 'print "0 but actually true" + 2' Argument "0 but actually true" isn't numeric in addition (+) at -e line 1. 2 </code> <div class="pmsig"><div class="pmsig-268515"> <p>-xdg</p> <p><small><i>Code written by xdg and posted on PerlMonks is <a href="http://creativecommons.org/licenses/publicdomain">public domain</a>. It is provided <b>as is</b> with no warranties, express or implied, of any kind. Posted code may not have been tested. Use of posted code is at your own risk.</i></small></p> </div></div> 495975 495975