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#!/usr/bin/env bash
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# shift n 移动变量
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count=1
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while [ -n "$1" ]
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do
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echo "Parameter #$count = $1"
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count=$[ $count + 1 ]
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shift
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done
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echo -e "\n"
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# demonstrating a multi-position shift
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echo "The original parameters : $*"
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shift 2
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echo "Here's the new first parameter: $1"
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