I try to find (with no luck so far) a program that would correct files in a html project (folder), and also check if these files are referenced in HTML/CSS files and correct them, in a batch, to avoid doing this manually.For instance, some files contains  or + characters witch are not really suited for a filesystem like Linux or for a URL, also some Linux programs abort when trying to treat files with exotic characters.
program that filters filenames to ASCII only and correct references to them
text processing;files;scripting;rename