hi experts please covert shellscript to perl script this code: 
#!/bin/bash
        # Program:  download.sh
        # Description:  Download Oracle patches from Metalink<!--more-
+->

        PROGRAM=`basename $0`
        USAGE="Usage:  $PROGRAM [ patch file ]";

        if [ $# -lt 1 ]
        then
         printf "$USAGE \n";
         exit 1;
          fi;
        patch=$1
        username='com';

        password='passcom'
        URL="http://updates.oracle.com/Orion/Download/"

        while [ -z $username ]; do
           echo -n "Enter metalink username: "
           read username
        done

        while [ -z $password ]; do
           echo -n "Enter metalink password: "
           stty -echo
           read password
           stty echo
        done

     wget --http-user=$username   --http-password=$password  --no-chec
+k-certificate  --output-document=$patch $URL
  exit;

[download]

In reply to How to convert a shell script to Perl? by venugopal

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