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  1. or download this
    if ( $line =~ $ip ) {
    push (@fwlog, $line);
    print "$line";
}
  2. or download this
    print "$_\n" foreach ( @fwlog );
  3. or download this
    open LOG,  "$logfile" or die "Can't open $logfile: $!\n";
my @fwlog = grep { $ip } <LOG>;
close LOG;
  4. or download this
    perl -e 'print "How sweet does a rose smell? "; chomp ($n = <STDIN>); 
+$rose = "smells sweet to degree $n"; *other_name = *rose; print "$oth
+er_name\n"'