tree d310b98120f7424aab92699a638a8dc9da712e55
parent 9c50fb857a203513255106daf60fa5080394deed
author Mark Seaborn <mseaborn@google.com> 1523493039 -0700
committer Mark Seaborn <mseaborn@google.com> 1523493039 -0700

[cmd] Open zedmon.csv with O_TRUNC, i.e. truncate the file

Opening the file without truncating it only really makes sense if we
are appending to the file.

Also, O_RDWR isn't necessary: we can use O_WRONLY instead.

Change-Id: Ie0f1b142d08a4a3a77c52c5850814ab0cee80314