Please add a comm --print-summary and --quiet, so we wouldn't have to write
$ comm FILE1 FILE2|perl -nwe '
/^\t+/;
$h{ length $& || 0 }++;
END {
@L = ( "Lines in 1st ", "Lines in 2nd ", "Lines in both" );
printf "%s: %5d\n", $L[$_], $h{$_} for sort keys %h;
}
'
Lines in 1st : 601
Lines in 2nd : 437
Lines in both: 2417
(Which would get fooled by leading tabs in the files anyway.)
(Or add "only": 'Lines only in 1st'...)
--print-summary
Print totals at end.
--quiet
Suppress file content output.
In fact my formatting is ugly. Make it look like the output of
$ wc -l FILE1 FILE2
Thanks.
