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9 lines
167 B
Bash
9 lines
167 B
Bash
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#!/bin/bash
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#退出状态码，最大为255，超过则进行模运算
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#testing the exit status
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var1=10
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var2=20
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var3=$[ $var1 + $var2]
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echo The answer is $var3
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exit 5
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