#!/usr/bin/perl
use strict;
use warnings;

@ARGV == 2 or die "USAGE :: perl max_tran_update.pl <<cell_list>> <<PVT_LIST>> \n\n";

my $cell_list = $ARGV[0]; # input cell_list
my $pvt_list = $ARGV[1]; # input pvt_list

open CFILE, '<', $cell_list or die "Can not open cell_list because: $!";
open PFILE, '<', $pvt_list  or die "Can not open pvt_list because: $!";

my @cell_file = map s/\s+\z/_X/r, <CFILE>;

while ( <PFILE> ) {
    chomp;
    print join( ' ', map s/_\k.+\z/$_/r, @cell_file ), "\n";
    }