I think line-seq needs a java.io.BufferedReader instead of a
java.io.FileReader. clojure.java.io has a reader function that constructs a
java.io.BufferedReader from a filename, so this worked for me:
(ns example
(:use [clojure.java.io :only (reader)]))
(with-open [rdr (reader "file.txt")]
(doseq [line (line-seq rdr)
word (.split line "\\s")]
(when (.endsWith word "ing")
(println word))))
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