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La commande continue
La commande continue permet de passer directement à l'itération suivante sans nécessairement terminer l'itération en cours
for f in *
do
[ -f $f ] || continue
[ -r $f ] || continue
echo "printing file $f:"
case $f in
*.ps ) lpr $f;;
*.txt) a2ps $f;;
*) echo "don't know how to print $f"
esac
echo "done"