README

This is a program to mimic the working of the Unix command diff used to display the differences in the files by comparing the files line by line. (implementation in C)

Refer : diff command

Note

• Max Characters per line : 128
• Max Lines per file : 128

Executing the program

To make the makefile

make

To execute the program

./diff <file1_name> <file2_name> [options]

For Example

./diff file1.txt file2.txt

Output

Time taken

The time taken by the program to compare files is less than that of the diff command for files of small sizes and nearly the same for files of large size

Different ways to view diff command

./diff <file1_name> <file2_name> --normal

./diff <file1_name> <file2_name> --color

./diff <file1_name> <file2_name> -s ./diff <file1_name> <file2_name> -q

./diff <file1_name> <file2_name> -u

./diff <file1_name> <file2_name> -c