Great, thanks a lot! Le mardi 21 novembre 2017 22:45:56 UTC+1, Matthew Butterick a écrit : > > > On Nov 21, 2017, at 1:23 PM, Karim Chellaoui <fogi...@gmail.com > <javascript:>> wrote: > > I'm still new to Pollen so excuse me if I missed the information but I'm > getting quite lost in the documentation... > My goal is to write a date as version number, for today I would like it to > be "20171121" for instance. How can I best achieve this? > I see that there is a Time racket package > https://docs.racket-lang.org/reference/time.html but it's unclear to me > how I can call it. > > > > The `gregor` library has the better time & date tools. Assuming you want > the date stamp to be consistently eight digits, you could use `~t` with a > CLDR pattern: [1] > > (require gregor) > (~t (now) "yyyyMMdd") > > > The code below is maybe more obvious, but doesn't work, because one-digit > days and months won't be padded to two digits: > > (require racket/date) > (define d (current-date)) > (format "~a~a~a" (date-year d) (date-month d) (date-day d)) > > > [1] > http://unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table >
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