12 lines
241 B
Bash
12 lines
241 B
Bash
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#!/bin/bash
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# 编写一个Shell脚本，接受一个字符串作为参数，并将该字符串逆序输出。
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# 【提示】 echo "abc"|rev
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if [ $# -ne 1 ]; then
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echo "请提供一个字符串作为参数"
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exit 1
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fi
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echo "$1"|rev
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