From d5979ace2a56e6333d4c0e304c5e4f13373ed6ad Mon Sep 17 00:00:00 2001
From: Peter Wu <peter@lekensteyn.nl>
Date: Thu, 2 Apr 2015 10:38:32 +0200
Subject: run.sh: allow classpath override, answer only mode

---
 spellchecker/run.sh                |  7 +++++--
 spellchecker/src/SpellChecker.java | 11 ++++++++---
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/spellchecker/run.sh b/spellchecker/run.sh
index 14c7057..956ce67 100755
--- a/spellchecker/run.sh
+++ b/spellchecker/run.sh
@@ -1,4 +1,7 @@
 #!/bin/sh
-ant -q -S compile &&
+classpath="${CLASSPATH:+$CLASSPATH:}"
+classpath+=build/classes
+
+ant -q -S compile >&2 &&
 NO_PEACH=1 \
-java -ea -cp build/classes SpellChecker
+java -ea -cp "$classpath" SpellChecker
diff --git a/spellchecker/src/SpellChecker.java b/spellchecker/src/SpellChecker.java
index 055326e..55f8f6b 100644
--- a/spellchecker/src/SpellChecker.java
+++ b/spellchecker/src/SpellChecker.java
@@ -33,10 +33,15 @@ public class SpellChecker {
         Scanner input = new Scanner(System.in);
         while (input.hasNextLine()) {
             String s0 = input.nextLine();
-            System.out.println("Input : " + s0);
             String result = sc.correctPhrase(s0);
-            System.out.println("Answer: " + result);
-            System.out.println();
+
+            if (System.getenv("ANSWER_ONLY") == null) {
+                System.out.println("Input : " + s0);
+                System.out.println("Answer: " + result);
+                System.out.println();
+            } else {
+                System.out.println(s0);
+            }
         }
     }
 
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