classique

grep -Rl "{{skin url" * ou grep -Rl "{{skin url" /rep

exclure un repertoire

grep -Rl "quetchose" * | grep -v '^unrepertoire/'
grep -Rl "fwrite" * | grep -v '^unrepertoire/' | grep -v '^unautrerepertoire/'
grep "Googlebot" > Googlebot.txt