rename_rails.sh

#!/usr/bin/env bash

set -eo pipefail

APP_NAME="${1}"
MODULE_NAME="${2}"

FIND_APP_NAME="old"
FIND_MODULE_NAME="Old"
FIND_FRAMEWORK="rails"

if [ -z "${APP_NAME}" ] || [ -z "${MODULE_NAME}" ]; then
    echo "You must supply both an app and module name, example: ${0} myapp MyApp"
    exit 1
fi

if [ "${APP_NAME}" = "${FIND_APP_NAME}" ]; then
    echo "Your new app name must be different than the current app name"
    exit 1
fi


# -----------------------------------------------------------------------------
#  Script for renaming
# -----------------------------------------------------------------------------
find . -type f -exec \
  perl -i -pe "s/(${FIND_APP_NAME}${FIND_FRAMEWORK}|${FIND_APP_NAME})/${APP_NAME}/g" {} + \
  && find . -type f -exec \
    perl -i -pe "s/${FIND_MODULE_NAME}/${MODULE_NAME}/g" {} +
# -----------------------------------------------------------------------------

cat << EOF