VCD file checker and reader

            b = checkvcd("random.txt");
 
 USAGE : b = checkvcd("random.txt")   

No. of Variables are = 4

Variables are = 
 
!clock  shiftin[7:0]  shiftout[7:0]  taps[255:0]  !

Variable symbols are = 
 
!!  "  #  $  !

$dumpvar location is at INDEX = 148
 
 Read file has been exported   
 
 function readvcd can be used with desired variable as input   
 
 USAGE : w = readvcd(c,dumpvar_loc,symbol)