mirror of https://github.com/fengyuhetao/shell.git
9 lines
142 B
Bash
9 lines
142 B
Bash
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!/bin/bash
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#排除命令，使本来起作用的命令不起作用
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sed -n '/heade/!p' test
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#反转文本文件
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sed -n '{1!G ; h; $p}' test
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