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@daviddavis
Created March 13, 2011 17:09
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palindromes.clj
Exception in thread "main" java.lang.Exception: Unable to resolve symbol: re-gsub in this context (palindromes.clj:27)
at clojure.lang.Compiler.analyze(Compiler.java:5205)
at clojure.lang.Compiler.analyze(Compiler.java:5151)
at clojure.lang.Compiler$InvokeExpr.parse(Compiler.java:3036)
at clojure.lang.Compiler.analyzeSeq(Compiler.java:5371)
at clojure.lang.Compiler.analyze(Compiler.java:5190)
at clojure.lang.Compiler.analyze(Compiler.java:5151)
at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:4670)
at clojure.lang.Compiler$FnMethod.parse(Compiler.java:4328)
at clojure.lang.Compiler$FnExpr.parse(Compiler.java:3173)
at clojure.lang.Compiler.analyzeSeq(Compiler.java:5367)
at clojure.lang.Compiler.analyze(Compiler.java:5190)
at clojure.lang.Compiler.analyzeSeq(Compiler.java:5357)
at clojure.lang.Compiler.analyze(Compiler.java:5190)
at clojure.lang.Compiler.analyze(Compiler.java:5151)
at clojure.lang.Compiler$HostExpr$Parser.parse(Compiler.java:798)
at clojure.lang.Compiler.analyzeSeq(Compiler.java:5369)
at clojure.lang.Compiler.analyze(Compiler.java:5190)
at clojure.lang.Compiler.analyzeSeq(Compiler.java:5357)
at clojure.lang.Compiler.analyze(Compiler.java:5190)
at clojure.lang.Compiler.access$100(Compiler.java:35)
at clojure.lang.Compiler$DefExpr$Parser.parse(Compiler.java:438)
at clojure.lang.Compiler.analyzeSeq(Compiler.java:5369)
at clojure.lang.Compiler.analyze(Compiler.java:5190)
at clojure.lang.Compiler.analyze(Compiler.java:5151)
at clojure.lang.Compiler.eval(Compiler.java:5428)
at clojure.lang.Compiler.load(Compiler.java:5857)
at clojure.lang.Compiler.loadFile(Compiler.java:5820)
at clojure.main$load_script.invoke(main.clj:221)
at clojure.main$script_opt.invoke(main.clj:273)
at clojure.main$main.doInvoke(main.clj:354)
at clojure.lang.RestFn.invoke(RestFn.java:409)
at clojure.lang.Var.invoke(Var.java:365)
at clojure.lang.AFn.applyToHelper(AFn.java:163)
at clojure.lang.Var.applyTo(Var.java:482)
at clojure.main.main(main.java:37)
Caused by: java.lang.Exception: Unable to resolve symbol: re-gsub in this context
at clojure.lang.Compiler.resolveIn(Compiler.java:5677)
at clojure.lang.Compiler.resolve(Compiler.java:5621)
at clojure.lang.Compiler.analyzeSymbol(Compiler.java:5584)
(ns palindromes
(:require clojure.contrib.string)
(:require clojure.contrib.str-utils))
(def text
(str "I'll just type in some example text here and embed a little
palindrome - A man, a plan, a canal, Panama! - I expect that will be
the longest palindrome found in this text.
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Integer volutpat lorem imperdiet ante bibendum ullamcorper. Mauris
tempor hendrerit justo at elementum. Vivamus elit magna, accumsan id
condimentum a, luctus a ipsum. Donec fermentum, lectus at posuere
ullamcorper, mauris lectus tincidunt nulla, ut placerat justo odio sed
odio. Nulla blandit lorem sit amet odio varius nec vestibulum ante
ornare. Aliquam feugiat, velit a rhoncus rutrum, turpis metus pretium
dolor, et mattis leo turpis non est. Sed aliquet, sapien quis
consequat condimentum, sem magna ornare ligula, id blandit odio nisl
vitae erat. Nam vulputate tincidunt quam, non lacinia risus tincidunt
lacinia. Aenean fermentum tristique porttitor. Nam id dolor a eros
accumsan imperdiet. Aliquam quis nibh et dui ultricies cursus. Nunc
et ante non sapien vehicula rutrum. Duis posuere dictum blandit. Nunc
vitae tempus purus.")
)
(defn sanitize [n]
(re-gsub #"[^a-z]" (lower-case n))
)
(defn palindromep [n]
(= (sanitize n) (reverse (sanitize n)))
)
(println (sanitize text))
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