provide --output text option for cli

[snowch]

Python 2.7

import csv

with open("output.csv", "wb") as f:
    writer = csv.writer(f)
    writer.writerows(a)

Python 3

import csv

with open("out.csv", "w", newline="") as f:
    writer = csv.writer(f)
    writer.writerows(a)

Source: https://stackoverflow.com/questions/14037540/writing-a-python-list-of-lists-to-a-csv-file

[snowch]

Maybe use https://github.com/microsoft/knack/blob/master/knack/output.py#L87?

[snowch]

Done