elif2

《Beginning Linux Programming》书的配置实例源代码。

#!/bin/sh

echo "Is it morning? Please answer yes or no"
read timeofday

if [ "$timeofday" = "yes" ]
then
  echo "Good morning"
elif [ "$timeofday" = "no" ]; then
  echo "Good afternoon"
else
  echo "Sorry, $timeofday not recognized. Enter yes or no"
  exit 1
fi

exit 0