/usr/share/gocode/src/github.com/olekukonko/tablewriter/test.csv is in golang-github-olekukonko-tablewriter-dev 0.0~git20170719.0.be5337e-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | first_name,last_name,ssn
John,Barry,123456
Kathy,Smith,687987
Bob,McCornick,3979870
|