solved the first problem

.gitignore

@@ -0,0 +1,10 @@
+/target
+/lib
+/classes
+/checkouts
+pom.xml
+*.jar
+*.class
+.lein-deps-sum
+.lein-failures
+.lein-plugins

README.md

@@ -0,0 +1,13 @@
+# rosalind
+
+A Clojure library designed to ... well, that part is up to you.
+
+## Usage
+
+FIXME
+
+## License
+
+Copyright © 2013 FIXME
+
+Distributed under the Eclipse Public License, the same as Clojure.

data/rosalind_dna.txt

@@ -0,0 +1 @@
+ATATTCTAAGTTCCCGCACTATCTTCTAACCCGACTACGGGACCGGCATACGACCACACCCTCTCTTATACATGGCGGTTCTGACCATTGTTGATGCCTCTCTTGATACCGCAGAACGGAATCTAAGCCCGCGACAACTTATGTCGGCCCCAAGGGCATGGCCAGGCTTTTTATCAGTTACATTACATTGGAATAGGCATCTGCGGCGAGTCACTCTCGTGTCTACGGTCCGCTTCGACGAGGTTTGCCTTTGCCGGTCTCGGACGAATATCTATCGAGAATCATGCTGGACTTAACTCTATGAGTGGTCGTTAACACGCAACTTAAAACCAAAGACTAAAGGAATTGCCGTTGCATACTCGGAGATACTAACCACGACAAGATTTAGGATCGCTCCTGTCGGGTCATTACTGATTGGTTAGTGAGATTTCGACTCTTTGAGAAGAGCACTTTACTTAAGTCGCCGGTGACGTCATCACCTCAGCCATATAATAGGTACATTTTTCCGATCTCGGTGCTGGACGTCACACGCGGTTGTAGTGAGACGACGAGAATGGACTCAGTCAGAAGCTATTAACTGCTTGACACGCCCTCGACCTGGTGCCGAAAAAGTGAACTCTGTTTTGATTTTTATAAAGGGATCACGGTTTCAAAGATCCTGCTCTCTGCCTATGAACGTCATTCTTAATGCAGAGATTTACAGATGAGACGATGTAGCGGCGGCACCTAATACTGTATAGCATACCGGTGGCAGCAAATCTGTATGCGATGCCATCTGGGCCAGCTATATATCACGATGTTCTAGATAGGAGTTGCAACACGGACTCGACATCACTACGAATACAAAACCATATTATAGTCTAGCATTGAATGCTTGGAATTACTCCTAGAACTAGCCCGCACGGTATGTGGCAAAGG

doc/intro.md

@@ -0,0 +1,3 @@
+# Introduction to rosalind
+
+TODO: write [great documentation](http://jacobian.org/writing/great-documentation/what-to-write/)

project.clj

@@ -0,0 +1,7 @@
+(defproject rosalind "0.1.0"
+  :description "FIXME: write description"
+  :url "http://example.com/FIXME"
+  :license {:name "Eclipse Public License"
+            :url "http://www.eclipse.org/legal/epl-v10.html"}
+  :dependencies [[org.clojure/clojure "1.4.0"]]
+  :main rosalind.core)

src/rosalind/basics.clj

@@ -0,0 +1,24 @@
+(ns rosalind.basics)
+
+(defn dna-counter-fn
+  "This actually does the counting"
+  [dna cnt]
+  (loop [d dna
+         c cnt]
+    (let [l (first d)
+          r (rest d)]
+      (case l
+          \A (def h (assoc c :A (+ 1 (:A c))))
+          \G (def h (assoc c :G (+ 1 (:G c))))
+          \C (def h (assoc c :C (+ 1 (:C c))))
+          \T (def h (assoc c :T (+ 1 (:T c))))
+          nil)
+      (if (empty? r)
+        h
+        (recur r h)))))
+
+(defn dna-count
+  "Counts DNA Neucleotides"
+  [dna]
+  (let [h (dna-counter-fn dna {:A 0 :C 0 :T 0 :G 0})]
+    [(:A h) (:C h) (:G h) (:T h)]))

src/rosalind/core.clj

@@ -0,0 +1,11 @@
+(ns rosalind.core)
+
+(defn foo
+  "I don't do a whole lot."
+  [x]
+  (println x "Hello, World!"))
+
+(defn -main
+  "Main entry point"
+  []
+  (foo "oh bother..."))

test/rosalind/basics_test.clj

@@ -0,0 +1,9 @@
+(ns rosalind.basics-test
+  (:use clojure.test
+        rosalind.basics))
+
+(deftest a-test
+  (testing "DNA counting stuff"
+    (is (=
+      [20 12 17 21]
+      (dna-count "AGCTTTTCATTCTGACTGCAACGGGCAATATGTCTCTGTGTGGATTAAAAAAAGAGTGTCTGATAGCAGC")))))

test/rosalind/core_test.clj

@@ -0,0 +1,7 @@
+(ns rosalind.core-test
+  (:use clojure.test
+        rosalind.core))
+
+(deftest a-test
+  (testing "FIXME, I fail."
+    (is (= 0 0))))