The command that you need here is printf for which there is an excellent tutorial on this site. eg. 
printf ("(%03d) %03d-%04d", $field1, $field2, $field3)

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perl -e 's&&rob@cowsnet.com.au&&&split/[@.]/&&s&.com.&_&&&print'

In reply to Re: Cgi Phone Number Problem by rob_au
in thread Cgi Phone Number Problem by Anonymous Monk

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