#!/usr/bin/perl
use strict;
use warnings;
use Cwd;
use Tie::File;
use Fcntl;


#Variable Declaration

my $request="no";
my $dir=getcwd;
my $md_dir='';
my @files="";
my $vp_file="vp_file"; 
my $view_tag = $ENV{'VIEW_TAG'};
my @data;


print "\n\n   Checking to see if you have any checkout files...\n ";

if ( -z "/$view_tag/app_hwt/3126" || ! -e "/$view_tag/app_hwt/3126" )
{
   $md_dir='medium_duty';	

}
else
{
   $md_dir='3126';
}
#####################################
#HERE IS WHERE ITS GIVING ME THE ERROR
#####################################
system ("cd /$view_tag/lib_engine/hwt");
system("cleartool lsco -cview -r -s  > /$view_tag/lib_engine/hwt/co_file");
system ("cd /$view_tag/app_hwt/$md_dir");
system("cleartool lsco -cview -r -s  >> /$view_tag/lib_engine/hwt/co_file");

if ( ! -z "/$view_tag/lib_engine/hwt/co_file" )
{
     print "\n  ***You have check out files.*** ";  
     print "     Please either check them in or out before running this program again. \n";
     print  "  Do you want to list chkout files y/n? [deflt no]: ";
     chomp($request = <>);
     if ( $request =~ /[Yy]/ )
 	 {
         print "\n";
         open(FILE, "/$view_tag/lib_engine/hwt/$co_file") || die "Cannot open co_file: $!\n";
	     print "\n";
     }
     
     unlink  "/$view_tag/lib_engine/hwt/co_file";
     
     die("$!");
}

else
{
	print "\n\n   Now Checking to see if you have any view private files...\n ";
    
    if ( ! -e "/$view_tag/lib_engine/hwt/co_file" )
    {
	        unlink  "/$view_tag/lib_engine/hwt/co_file";
    }
    
    `cleartool lsprivate -other -s > vp_temp`;
	my $temp_file="vp_temp";
    open(FILE,"vp_temp") || die "Cannot open vp_temp:$!\n";
    close(FILE);
	open(OUTPUT,">>vp_file");
	tie (@data,'Tie::File',$temp_file, mode=>O_RDWR) or die "Can't tie to $temp_file:$^E\n";
    (tied @data)->defer;
    foreach(@data)
    {
    	# see ex.pl 
        @files=grep(/\.c$/ || /\.h$/ || /\.a32$/ || /\.cfg$/ || /^Makefile_\..*$/ ,@data);
    }	
    	print OUTPUT @files; 
        unlink  "vp_temp";
    
    if ( ! -z "vp_file" )
    {
       print "\n   You have view private files: \n ";
       open(FILE, "vp_file") || die "Cannot open vp_file: $!\n";
       print " \n\n ";
       unlink  "vp_file";
    }
    else
    {
       print "\n   Good Job! You have no view private files... \n\n ";
       
       if ( ! -e "vp_file" )
       {
            unlink  "vp_file";
       }
    }  
    
}