Example:
Create file1.txt:
Code: Select all
Line1
Line7
Line8
Line2
Code: Select all
Line1
Line2
Line3
Line4
Line5
Line6
Line7
Line8
Line2
Code: Select all
Line1 Line1
Line7
Line8
Line2 Line2
Line3
Line4
Line5
Line6
Line7
Line8
Line2
Code: Select all
Line1 Line1
Line2
Line3
Line4
Line5
Line6
Line7 Line7
Line8 Line8
Line2 Line2