gistfile1.sh

#!/bin/bash

if [ `whoami` != "root" ]; then
  echo "$0 must be run as root."
  exit 1
fi

for i in $(locate webrick/config.rb); do
  echo "Processing $i"
  sed -e 's/^.*:DoNotReverseLookup => nil,$/:DoNotReverseLookup => true,/' $i > /tmp/config.rb
  if [ $? -ne 0 ]; then
    echo "Error processing file"
    exit 1
  fi
  /bin/cp /tmp/config.rb $i
  /bin/rm /tmp/config.rb
done