対話・引数

対話

echo 'Get it? [y/n]'
read ANS
if [ $ANS = 'y' -o $ANS = 'yes' ]; then
  echo 'ゴリ.'
else
  echo '...'
fi

引数

if [ -z $1 ]; then
  echo "Usage: $0 xxx"
else 
  echo $1
fi
exit 0