{"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":"2025-02-01T23:08:07","modified_gmt":"2025-02-01T23:08:07","slug":"perl-validation-on-hash-key-is-defined-or-not","status":"publish","type":"post","link":"https:\/\/www.devopsschool.com\/blog\/perl-validation-on-hash-key-is-defined-or-not\/","title":{"rendered":"Perl validation on hash key is defined or not"},"content":{"rendered":"

rajeshkumar created the topic: perl validation on hash key is defined or not<\/strong><\/p>\n

Solutions Thanks Len for example program.<\/p>\n

our %SERVERS = (
\n“rajesh1” => {type => ‘prod’, sha => ‘ram’},
\n“rajesh2” => {type => ‘prod’, sha => ‘sita’},
\n“rajesh3” => {type => ‘xyz’, named => [“raa”]},
\n“rajesh4” => {type => ‘xxx’, named => [“rajjaj”]},
\n);<\/p>\n

while (my $mServer = each %SERVERS) {
\nif ($SERVERS{$mServer}{type} eq “prod” && !$SERVERS{$mServer}{named}) {
\nprint “$mServer\\n”;
\n}
\n}<\/p>\n

Other sols<\/p>\n

if ($SERVERS{$mServer}->{type} eq “prod” &&
\n! defined $SERVERS{$mServer}->{named} )<\/p>\n

More Reference:
\nperldoc.perl.org\/functions\/exists.html<\/a><\/p>\n

Regards,
\nRajesh Kumar
\nTwitt me @ twitter.com\/RajeshKumarIn<\/p>\n","protected":false},"excerpt":{"rendered":"

rajeshkumar created the topic: perl validation on hash key is defined or not Solutions Thanks Len for example program. our %SERVERS = ( “rajesh1” => {type => ‘prod’, sha =>… <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[14],"tags":[491],"class_list":["post-2431","post","type-post","status-publish","format-standard","hentry","category-perl","tag-hash"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/2431","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=2431"}],"version-history":[{"count":1,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/2431\/revisions"}],"predecessor-version":[{"id":2432,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/2431\/revisions\/2432"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=2431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=2431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=2431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}