# test log
stat /dev/zero
getenv ZONEINFO
getenv ZONEINFO
open testdata/2020b_Europe_Berlin
open testdata/2021a_America_Nuuk
open testdata/2021a_Asia_Gaza
open testdata/2021a_Europe_Dublin
getenv TZ
stat /etc/localtime
stat /usr/share/zoneinfo/Asia/Shanghai
