If I execute
touch $(date '+%F %T'), I expect one file whose filename comprises the date and time to be created; but instead two files are created: one whose name is the date, and the other whose name is the time:
$ touch $(date '+%F %T') $ ls -1 12:39:26 2019-03-05
Why is this, and how can I create a file named
2019-03-05 12:39:26 instead, without using an underscore instead of a space?