Line1
Line2
Line3
Line4

##</code><code>##

Line1
Line3
Linenew
Linenewagain
Line4

##</code><code>##

updated_line_number.pl Version1.txt Version2.txt 1
1

updated_line_number.pl Version1.txt Version2.txt 2
0

updated_line_number.pl Version1.txt Version2.txt 3
2

updated_line_number.pl Version1.txt Version2.txt 4
5