Bash Arge

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Example

Simple Example

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#!/bin/bash
echo "$1"
echo "$@"

测试命令

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bash script.sh 1 2 3

输出结果是

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1
1 2 3

分割参数

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#!/bin/bash
echo "args:$@"

arg=$1
echo "arg: $1"

beforedot=${arg%.*}
afterdot=${arg#*.}

echo $beforedot
echo $afterdot

测试命令

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bash ./test.sh 1.2.3.4.5

输出结果

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args:1.2.3.4.5
arg: 1.2.3.4.5
1.2.3.4
2.3.4.5