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Shell script receives and returns parameters

2022-07-19 03:19:00 【Nutshell】

One 、 Script receive parameters

$1 Represents the first parameter
$2 Represents the second parameter
…
[email protected] Represents all parameters 

#！/bin/bash

if [ $1="xiaofeiyu" ]
then
echo "my name is $1"
fi

if [ $2="happy" ]
then
echo "I'm very $2"
fi

Insert picture description here

Two 、 Script reply parameters 

#!/bin/bash
fdisk sd.img <<EOF
n
p
1
2048
4096
EOF
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