encodeFrom='ISO-8859-1'
encodeTo='UTF-8'
for filename in find "../myDirectory" -name "*.csv" -o -name "*.txt"
do
# sauvegarde du fichier source
mv $filename $filename.save
# ecriture du fichier encode
iconv -f $encodeFrom -t $encodeTo $filename.save -o $filename
rm -rf $filename.save
done