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laktak
Asked: 2021-11-18 13:42:01 +0800 CST

列--table-noextreme

  • 772

--table-noextreme选项如何column工作？

   -E, --table-noextreme columns
      Specify columns where is possible to ignore unusually long 
      (longer than average) cells when calculate column width. 
      The option has impact to the width calculation and table
      formatting, but the printed text is not affected.


$ cat table.md
Lorem ipsum | Lorem ipsum dolor sit amet | Lorem ipsum dolor sit amet | Lorem ipsum dolor sit amet
Lorem | Lorem ipsum | Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut | Lorem ipsum dolor
Lorem | Lorem ipsum dolor | Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do | Lorem
$ column -t -s '|' -o '|' < table.md
Lorem ipsum | Lorem ipsum dolor sit amet | Lorem ipsum dolor sit amet                                                                   | Lorem ipsum dolor sit amet
Lorem       | Lorem ipsum                | Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut | Lorem ipsum dolor
Lorem       | Lorem ipsum dolor          | Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do                              | Lorem
$ column -t -s '|' -o '|' --table-noextreme 3 < table.md
Lorem ipsum | Lorem ipsum dolor sit amet | Lorem ipsum dolor sit amet                                                                   | Lorem ipsum dolor sit amet
Lorem       | Lorem ipsum                | Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut | Lorem ipsum dolor
Lorem       | Lorem ipsum dolor          | Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do                              | Lorem

我怎样才能让它格式化表格

Lorem ipsum | Lorem ipsum dolor sit amet | Lorem ipsum dolor sit amet | Lorem ipsum dolor sit amet
Lorem       | Lorem ipsum                | Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut | Lorem ipsum dolor
Lorem       | Lorem ipsum dolor          | Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do | Lorem

（来自 util-linux 2.37.2/arch 的列）

text-formatting

1 个回答

  1. Best Answer

    您的样本数据没有触发 的效果-E，可能是因为第三列中没有任何值可以确定为“异常长”。

    使用此修改后的示例文本：

    Lorem ipsum | Lorem ipsum dolor | Lorem | Lorem ipsum dolor sit
Lorem ipsum dolor | Lorem | Lorem ipsum dolor sit amet, consectetur | Lorem
Lorem | Lorem ipsum | Lorem | Lorem ipsum dolor sit

    和 80 列的终端宽度，我得到：

    $ column -t -s \| -o \| file
Lorem ipsum       | Lorem ipsum dolor | Lorem                                   | Lorem ipsum dolor sit
Lorem ipsum dolor | Lorem             | Lorem ipsum dolor sit amet, consectetur | Lorem
Lorem             | Lorem ipsum       | Lorem

    （行分布在多行上）和

    $ column -t -E 3 -s \| -o \| file
Lorem ipsum       | Lorem ipsum dolor | Lorem            | Lorem ipsum dolor sit
Lorem ipsum dolor | Lorem             | Lorem ipsum dolor sit amet, consectetur 
                  |                   |                  | Lorem
Lorem             | Lorem ipsum       | Lorem            | Lorem ipsum dolor sit

    但是，鉴于您的预期输出，-l( --table-columns-limit) 选项似乎是您正在寻找的：

    $ column -t -l 3 -s \| -o \| file
Lorem ipsum       | Lorem ipsum dolor | Lorem | Lorem ipsum dolor sit
Lorem ipsum dolor | Lorem             | Lorem ipsum dolor sit amet, consectetur | Lorem
Lorem             | Lorem ipsum       | Lorem | Lorem ipsum dolor sit
    • 1

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