Replace double quotes with single quotes
# thanks to http://stackoverflow.com/questions/16154007/replace-all-double-quotes-with-single-quotes and http://stackoverflow.com/questions/22768645/how-to-use-find-exec-and-tr-to-process-a-large-number-of-files
find src -name "*.js" -exec sed -i "s/\"/'/g" {} \;