第一种方案:
while true; do read -p “Do you wish to install this program?” yn case $yn in [Yy]* ) make install; break;; [Nn]* ) exit;; * ) echo “Please answer yes or no.”;; esac done
第二种方案:
echo “Do you wish to install this program?” select yn in “Yes” “No”; do case $yn in Yes . . . → Read More: linux shell 交互yes or no
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