/
ncdump -h hoge.nc | sed -e "/^dimensions:$/,/[^ \f\n\r\t]/p" -e d | sed -e '1d' -e '$d'
2020/11/13
2020/11/01
2020/10/21
2020/09/04
2020/08/18
2020/07/29
2020/06/24
2019/11/13
2019/10/02
2019/09/23
2019/08/22
2019/07/23
2019/06/14
2019/06/05
2019/04/10
2019/04/03
