look, i have for example about 1000 TXT files, and there is a word Bartholome and i need to replace it for Richard
Similar to what was already pointed out to you:
perl -spi -e 's/Bartholome/Richard/g' /path/to/folder/*
Peter L. Berghold -- Unix Professional
Peter -at- Berghold -dot- Net; AOL IM redcowdawg Yahoo IM: blue_cowdawg