2019-10-29 18:22:19 +08:00
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#!/usr/bin/env bash
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2019-10-10 08:56:31 +08:00
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2019-05-10 11:17:57 +08:00
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# getting the number of parameters
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echo There were $# parameters supplied
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#花括号里不能使用美元符号
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params=$#
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echo The last parameter is $params
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echo The last parameter is ${!#}
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