data.txt
hello.pl~45~warning~454~null pointer
hello.pl~43~warning~454~memory
hello.pl~4532~warning~454~badpointer
hello.pl~22~warning~454~null pointer
hello.pl~88~warning~454~null pointer

##</code><code>##

lineChanged.txt
22-33
90
42-44
100

##</code><code>##

hello.pl~43~warning~454~memory 
hello.pl~22~warning~454~null pointer

##</code><code>##

while (<CHANGES>) {
  chomp;

  # split the line from the spaces
   # $file is file name like hello.pl
  $info = $_;
   is it a range or a single line?
  if ($info =~ /(\d+)-(\d+)/) {
        $changes{$file} .= " ".join(" ",($1 .. $2))." ";
    } else {
        $changes{$file} .= " $info ";
    }
if (defined $changes{$file}) {
    # was it a range?
       if (defined $changes{$file}->[1]) {
      # skip if this $line is not in this range
       next unless ($line gt $changes{$fill}->[0] and $line lt $changes{$file}->[1]);
       } else {
      # skip if this $line is not equal to this single line number
       next unless $line eq $changes{$file}->[0];
      }

    # if we are here, then this is a match. so print it.
     print "############ Here ################\n";
    # print "$_\n";
   
    #print "############ Here ################\n";
    }