barcat -ct-7 input/duplicates.txt
3 thrice ---------<-----+-=------->-----
2 twice  ---------<-----+-=---
1 once   ---------<
1 most   ---------<
       -----            +++++++++++++++++
6 most -----<-+----=>-------------------
1      -----<
3 most        ---+----=->--
1  indented   ---+
1 different   ---+
1   different ---+