On Fri, 2008-10-24 at 23:13 +0200, Pintér Tibor wrote: > perl -pi -e "s/foo/bar/" *.html Won't recurse down the directory tree, but I guess the OP didn't actually ask for that. Could substitute the perl commad for sed in the earlier example. Many ways to skin the cat (all equally odious to the cat :-). BTW, the xargs solution discussed in the 'ls and rm: "argument list too long"' thread could be applied here too if you have a LOT of files.