{"id":2431,"date":"2017-12-08T10:25:54","date_gmt":"2017-12-08T10:25:54","guid":{"rendered":"http:\/\/www.scmgalaxy.com\/tutorials\/?p=2431"},"modified":"2021-02-27T09:18:06","modified_gmt":"2021-02-27T09:18:06","slug":"perl-validation-on-hash-key-is-defined-or-not","status":"publish","type":"post","link":"https:\/\/www.scmgalaxy.com\/tutorials\/perl-validation-on-hash-key-is-defined-or-not\/","title":{"rendered":"Perl validation on hash key is defined or not"},"content":{"rendered":"<p><strong>rajeshkumar created the topic: perl validation on hash key is defined or not<\/strong><\/p>\n<p>Solutions Thanks Len for example program.<\/p>\n<p>our %SERVERS = (<br \/>\n&#8220;rajesh1&#8221; => {type => &#8216;prod&#8217;, sha => &#8216;ram&#8217;},<br \/>\n&#8220;rajesh2&#8221; => {type => &#8216;prod&#8217;, sha => &#8216;sita&#8217;},<br \/>\n&#8220;rajesh3&#8221; => {type => &#8216;xyz&#8217;, named => [&#8220;raa&#8221;]},<br \/>\n&#8220;rajesh4&#8221; => {type => &#8216;xxx&#8217;, named => [&#8220;rajjaj&#8221;]},<br \/>\n);<\/p>\n<p>while (my $mServer = each %SERVERS) {<br \/>\nif ($SERVERS{$mServer}{type} eq &#8220;prod&#8221; &#038;&#038; !$SERVERS{$mServer}{named}) {<br \/>\nprint &#8220;$mServer\\n&#8221;;<br \/>\n}<br \/>\n}<\/p>\n<p>Other sols<\/p>\n<p>if ($SERVERS{$mServer}->{type} eq &#8220;prod&#8221; &#038;&#038;<br \/>\n! defined $SERVERS{$mServer}->{named} )<\/p>\n<p>More Reference:<br \/>\n<a href=\"http:\/\/perldoc.perl.org\/functions\/exists.html\">perldoc.perl.org\/functions\/exists.html<\/a><\/p>\n<p>Regards,<br \/>\nRajesh Kumar<br \/>\nTwitt me @ twitter.com\/RajeshKumarIn<\/p>\n","protected":false},"excerpt":{"rendered":"<p>rajeshkumar created the topic: perl validation on hash key is defined or not Solutions Thanks Len for example program. our [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[489],"tags":[491],"class_list":["post-2431","post","type-post","status-publish","format-standard","hentry","category-perl-script","tag-hash"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - 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