Scripts for removing trailing whitespace

Change-Id: I938c57509bf6be34ee8a6f22edd7f8e0a43ee3bd

scripts/cleanWhitespace.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+. `dirname $0`/sed.sh
+
+rootdir=`dirname $0`/..
+
+for javaFile in `find $rootdir -name "*.java"`
+do
+	# Remove whitespace from empty rows
+	$SED -i "s/^ [ ]*$//g" $javaFile
+
+	# Remove trailing whitespace in javadoc
+	$SED -i "s/^ \\([ ]*\\)\* $/\\1 \*/g" $javaFile
+done

scripts/sed.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+# Must use gsed on Mac
+if [[ "$OSTYPE" == "darwin"* ]]
+then
+        export SED=`which gsed`
+else
+        export SED=`which sed`
+fi
+
+if [ ! -x "$SED" ]
+then
+        echo "Sed not found, install gsed on Mac or sed on Linux"
+        exit 1
+fi