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5 lines
229 B
Bash
5 lines
229 B
Bash
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#!/bin/bash
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#测试，如果测试成功，如果没有标签，sed会跳转到结尾，如果有标签，就跳转到标签，如果测试失败，则不会跳转
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sed -n '{s/first/matched/; t; s/This is the/No match on/}' test
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