onyxfish/csvkit — pull request #244 by mpettis (2013-12-17 05:17:00+00:00)
Title: csvlook.  Added logic to use default headers and line numbers

For csvlook, added logic to use default headers if `-H' is specified (your 'column1', etc.) and to prepend a 'line_number' column if -l/--linenumber is given as an option. Tried to follow your coding conventions.