EFR (Extended Find and Replace) - Version 1.0 EFR (Extended Find and Replace) This little utility will save you time when you need to find and replace somthing in text based files. EFR will search one file or multiple files in a directory.(Recursive directory scanning allows for scanning sub-directories) FAST 2604 replacements made in 368 files in seconds! Logs changes and makes back-ups of changed files A must for web developers!. Change an email or link on every page in a site in seconds!