On Wed, Aug 21, 2019 at 06:23:41PM +0200, Florian Westphal wrote: > Ander Juaristi <a@xxxxxxxxxxxx> wrote: > > These keywords introduce new checks for a timestamp, an absolute date (which is converted to a timestamp), > > an hour in the day (which is converted to the number of seconds since midnight) and a day of week. > > > > When converting an ISO date (eg. 2019-06-06 17:00) to a timestamp, > > we need to substract it the GMT difference in seconds, that is, the value > > of the 'tm_gmtoff' field in the tm structure. This is because the kernel > > doesn't know about time zones. And hence the kernel manages different timestamps > > than those that are advertised in userspace when running, for instance, date +%s. > > > > The same conversion needs to be done when converting hours (e.g 17:00) to seconds since midnight > > as well. > > > > The result needs to be computed modulo 86400 in case GMT offset (difference in seconds from UTC) > > is negative. > > > > We also introduce a new command line option (-t, --seconds) to show the actual > > timestamps when printing the values, rather than the ISO dates, or the hour. > > Pablo, please see this "-t" option -- should be just re-use -n instead? > > Other than this, this patch looks good and all tests pass for me. this should be printed numerically with -n (global switch to disable literal printing). Then, -t could be added for disabling literal in a more fine grain, as Phil suggest time ago with other existing options that are similar to this one.
