comm (compare two sorted text files)
Compares two sorted text files. Displays the results in three columns: 1) lines that are only in file1, 2) lines that are only in file2, and 3) lines that are in both files. Format: comm file1 file2
Examples: comm report1 report2
The differences are displayed, as shown below. cat report1
Apples
Peaches
Pears
cat report2
Apples
Cherries
Pears
comm report1 report2
Apples
Peaches
Cherries
Pears
The output shows Apples and Pears in both files. It shows Peaches only in the first file and Cherries only in the second file. |