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sed: add Chinese translation (#12856)
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
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pages.zh/linux/sed.md
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pages.zh/linux/sed.md
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# sed
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> 以脚本方式编辑文本。
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> 参见:`awk`, `ed`.
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> 更多信息:<https://www.gnu.org/software/sed/manual/sed.html>.
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- 将所有输入行中出现的 `apple`(基本正则语法)替换为 `mango`(基本正则语法),并将结果打印到 `stdout`:
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`{{命令}} | sed 's/apple/mango/g'`
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- 将所有输入行中出现的 `apple`(扩展正则语法)替换为 `APPLE` (扩展正则语法),并将结果打印到 `stdout`:
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`{{命令}} | sed -E 's/(apple)/\U\1/g'`
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- 用 `mango`(基本正则语法)替换特定文件中出现的所有 `apple`(基本正则语法),并覆盖原文件:
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`sed -i 's/apple/mango/g' {{路径/到/文件}}`
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- 执行特定的脚本,并将结果打印到 `stdout`:
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`{{命令}} | sed -f {{路径/到/脚本.sed}}`
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- 打印第一行到 `stdout`:
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`{{命令}} | sed -n '1p'`
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- 删除文件第一行:
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`sed -i 1d {{路径/到/文件}}`
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- 插入新行到文件的第一行:
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`sed -i '1i\your new line text\' {{路径/到/文件}}`
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