shell/脚本函数/函数递归.sh

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#!/bin/bash
function factorial {
if [ $1 -eq 1 ]
then
echo 1
else
local temp=$[ $1 -1 ]
local result=`factorial $temp`
echo $[ $result * $1 ]
fi
}
read -p "Please input a value: " value
result=`factorial $value`
echo "The factorial of $value is: $result"