add chomp script

Author: yaoweibin

util/chomp.rb

@@ -0,0 +1,5 @@
+STDIN.each do |line|
+  next unless line
+  res = line.gsub(/\s+$/, "")
+  puts "#{res}"
+end

util/chomp.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+for file in *
+do
+    if [ -d "$file" ]
+    then
+        continue
+    fi
+
+    ruby util/chomp.rb < $file > /tmp/tt
+    mv /tmp/tt $file
+done
+
+rm -f /tmp/tt