Merci de toutes vos réponses, mais (retour à la case départ !):
259 [EMAIL PROTECTED] ~/perso/tmp %: find . -name '* *' -exec rename "s/ /_/g" \{\} \;
260 [EMAIL PROTECTED] ~/perso/tmp %: find . . ./tmp2 ./tmp2/bla bla ./bouh bouh ./ca ca 261 [EMAIL PROTECTED] ~/perso/tmp %: find . -print0 | xargs -0 rename "s/ /_/" 262 [EMAIL PROTECTED] ~/perso/tmp %: find . . ./tmp2 ./tmp2/bla bla ./bouh bouh ./ca ca