Perl smart match operator

Many times, it is very handy to use this operator for comparing arrays, hashes:

use 5.010;

my(@arr_a)=qw (123 abc def ghi);
my(@arr_b)=qw (123 abc def ghi);

print "same2same\n" if (@arr_a ~~ @arr_b);

How to setup yum in RHEL 6.0

[root@localhost ~]# cat /etc/yum.repos.d/iso1.repo <-- this name can be anything but in the format *.repo
[iso1.repo]
name=RHEL6
baseurl=ftp://<servername>/<path where repodata directory is available> < ---- [ it means 'repodata' dir should be available in this path ]
enabled=1
gpgcheck=0





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Above procedure should be same for other OS.