manymaxmin.sh

#!/bin/sh
max=$1
min=$1
for x in $@
do
if (($max - x < max="$x"> 0))
then min=$x
fi
done
if (($max - $min == 0))
then
echo "都一樣大";
else
echo "max = $max"
echo "min = $min"
fi
exit 0