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怎么用到if,case,for,while,判断一起做shell
1个回答
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#!/bin/bash
read -p "Input an integer: " n
if [ $n -le 0 ]; then
echo "Invalid input!"
exit 1
fi
case $n in
1|2|3)
while [ $n -lt 5 ]
do
let n+=1
echo "Plus one."
done
;;
5)
for i in {1..5}
do
echo $i
done
;;
10)
echo "Try again!"
;;
*)
echo "Are you kidding me?!"
;;
esac
exit 0
以此示例。
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