You are likely passing a string to the function, not a java.io.File object.
On Thu, Mar 27, 2014 at 1:16 AM, Brandon Barret <mrbarret...@gmail.com> wrote: > > I am working on a project that requires me to get the size of a file and > access it's last date of modification. It seems like the java methods > .length and .lastmodified could be pretty handy in this situation. I am, > however, having a bit of trouble wrapping my head around how to access a > java method from a clojure project. Some examples I have seen import the > java classes directly, as you would in a standard java project, whereas > others seem to take a different approach. I decided to import java.io.File > and try to get the length of a file: > > (defn get-length [file] > (println (.length file)))) <---a rather crude representation of > my effort. > > When I ran this, no exceptions were thrown and it gave me a length, only > that length was the number of words in the file name I provided, not the > actual size of the file. It seems as though clojure may have a different > length function built-in, but I'm not sure. So to get to the overall point: > what is the standard way to access java methods from clojure (if there is > one)? Do I simply need to import the java class, or is there much more to it > that I am not yet understanding? > > > Any tips would be great. I am new and loving the language, but a bit > confused. Thanks! > > > -- > 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 > --- > You received this message because you are subscribed to the Google Groups > "Clojure" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to clojure+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- 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 --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
