diff3

diff3 [options] file1 file2 file3

Compare three files and report the differences with the following codes:

====	All three files differ.
====1	file1 is different.
====2	file2 is different.
====3	file3 is different.

Options

-e

Create an ed script to incorporate into file1 all differences between file2 and file3.

-E

Same as -e, but mark with angle brackets any lines that differ between all three files.

-x

Create an ed script to incorporate into file1 all differences between all three files.

-X

Same as -x, but mark with angle brackets any lines that differ between all three files.

-3

Create an ed script to incorporate into file1 differences between file1 and file3.