From: Ferdous ara <lists@...>
Date: 2012-09-07T19:32:40+09:00
Subject: cant change the string

s=`hostname`
cluster_name=s.match(/(\w+?)-\w+?-(\d+)/).captures.join.upcase

puts cluster_name

Result : BD55


but I want

        if host_name =~ /^BD/
   host_name.gsub("BD","DK")
        puts host_name
end

so if hostname is BD, it will change it to DK   (this number can be
change anytime)
So End result will be

DK55

but its not working

Can any one please help me

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