On 12/11/2017 03:36 PM, Norihiro Tanaka wrote:
Perhaps, characters not to be able to recognize in your locale included in Tieliikenne 5.0.csv and volvot.csv are included.
Yes, that's the problem. The original 'grep' output ended in "Binary file Tieliikenne5.0.csv matches" but the user didn't see that. Perhaps we should send that diagnostic to stderr as well.