I'd suggest using java.util.concurrent.TimeUnit for example TimeUnit.MILLISECONDS.toDays(1234543211); or, since we're on Clojure list (.toDays java.util.concurrent.TimeUnit/MILLISECONDS 1234543211)
For more complex tasks Joda Time is excellent choice. On Sat, Mar 31, 2012 at 4:51 AM, Goldritter <marcus.goldritter.lind...@googlemail.com> wrote: > I wanted to track a program and set a maximum runtime for it in a way > which is readable for the user. So I needed to write a time > tansformation which I could use in my track function. > First I wanted to use something like the 'defunits' macro from "Let > over Lambda" from Doug Hoyte, but I'm not so fit in LISP and Clojure > to write/understand it :(. > > So I use following two function: > > (defn unit-of-time > [value unit] > "(unit-of-time value unit) returns the value in relation to the > defined unit in seconds. > Example: (unit-of-time 10 :minute) will return 600 and (unit-of-time > 3 :millisecond) 3/1000. > following Keywords are supported: > :second > :minute > :houre > :day > :millisecond > :microsecond > :nanosecond" > (* value (case unit > :second 1 > :minute 60 > :houre 3600 > :day 86400 > :millisecond 1/1000 > :microsecond 1/1000000 > :nanosecond 1/1000000000))) > > (defn transform-time > [value from to] > "(transform-time value from to) calculates the value from the unit > 'from' to the unit 'to'" > (/ (unit-of-time value from) > (unit-of-time 1 to))) > > The functions, but now I would know if there might be a better way to > transform for example a time value given in minutes into the > appropriate milli- or nanosecond value? > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clojure@googlegroups.com > Note that posts from new members are moderated - please be patient with your > first post. > To unsubscribe from this group, send email to > clojure+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en -- Petr Gladkikh -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en