for is lazy, and your code formatting is horrible. On Tue, Feb 2, 2010 at 2:48 PM, Wardrop <t...@tomwardrop.com> wrote: > I've noticed that the output of a script, is often different to the > output of the same commands if run on the REPL. This makes sense, but > here's a situation which has got me a little confused. I'm trying to > run this code as a script... > > (use '[clojure.contrib.duck-streams]) > > (for [line (line-seq (reader "C:\\filedupes.txt"))] > (cond > ((complement nil?) (re-matches #"([0-9]+) byte\(null\)each:" > line)) > (println "Byte pattern!") > ((complement nil?) (re-matches #".*(\.[0-9a-zA-Z]+)" line)) > (println "File pattern!") > ) > ) > > (println "Finished!") > > The problem is, the only output I get is "Finished!". If however, I > run this on the command line, I get a long list of nil's in amongst > the strings "Byte pattern!" and "File pattern!". I expect the nil's > not to show when this is run as a script, but why are the > aforementioned strings not being output? > > While you're at it, you may be able to help me with an additional > problem I'm trying to tackle. As you can see if the above code, I'm > trying to match on certain lines of a text file. I'm using "cond" to > do this with as a switch statement is the only way I know how to > achieve what I'm after. Anyway, I not only want the regex to be used > in the condition expression, but also want to capture the first sub- > match (i.e. what's in the parenthesis inside the regex). What's the > best way I can do this, without having to re-run the regex twice. > > 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
-- And what is good, Phaedrus, And what is not good— Need we ask anyone to tell us these things? -- 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
