Using shell redirection to write to a file is more complicated than
necessary, and has the potential to run into unicode encoding problems.
It's also less code.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108530
v2: - update commit message to say less about LANG=C
- use flags instead of positional arguments for the script (Emil)
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>