COMM(1)COMM(1)NAMEcomm - print lines common to two sorted files
SYNOPSIScomm [-123] file1 file2
OPTIONS-1 # Suppress column 1 (lines present only in file1)
-2 # Suppress column 2 (lines present only in file2)
-3 # Suppress column 3 (lines present in both files)
EXAMPLEScomm file1 file2 # Print all three columns
comm-12 file1 file2
# Print only lines common to both files
DESCRIPTION
Two sorted files are read and compared. A three column listing is pro‐
duced. Files only in file1 are in column 1; files only in file2 are in
column 2; files common to both files are in column 3. The file name -
means stdin.
SEE ALSOcmp(1), diff(1), sort(1).
COMM(1)