| title |
comm Linux Command |
| description |
comm Linux Command compare two sorted files line by line and write to output, It requires two sorted files which it compares line by line. |
| created |
2019-08-26 |
| updated |
2019-08-26 |
comm Linux Command compare two sorted files line by line and write to output, It requires two sorted files which it compares line by line.
comm [OPTION]... FILE1 FILE2
| Option |
Description |
| -1 |
suppress printing of the first column (lines unique to the first file) |
| -2 |
suppress printing of the second column (lines unique to the second file) |
| -3 |
suppress printing of the third column (lines common to both the files) |
| –-check-order |
check's the input is correctly sorted, even if all the input lines are pairable |
| –-nocheck-order |
do not check that the input is correctly sorted |
| –-output-delimiter=STR |
separate columns with string STR |
$cat >file1.txt
one
two
three
$cat >file2.txt
one
three
four
$comm file1.txt file2.txt
one
three
four
two
three