#!/usr/bin/perl -w

BEGIN {undef $/;}


# I TRIED 1ST my $match = "^module.*?$ARGV[2].*?([\\(;])"; 2ND my $match = "\^module.*?$ARGV[2].*?([\\(;])"; 3RD my $match = "\\^module.*?$ARGV[2].*?([\\(;])"

#"(?<=module )$ARGV[2]"
my $match = "(?<=module )$ARGV[2].*?([\\(;])";
#print "$match";

my $filename = $ARGV[0];

open (INFILE, "<", $filename)  or  die "Failed to read file $filename : $! \n";

$string =  <INFILE>;
close INFILE;



#I TRIED "$string =~ s/^$match/module $ARGV[1]$1/sg;";

$string =~ s/$match/$ARGV[1]$1/sg;
#print "$1";


open OUTFILE, ">$ARGV[0]" || die "Failed to create $ARGV[0]\n";
print OUTFILE ($string);
close OUTFILE;