如何根据文件的字段数值对文件进行排序? [英] How to sort a file, based on its numerical values for a field?

问题描述

示例file.txt:

  100 foo
  2 bar
  300 tuu

使用sort -k 1,1 file.txt时，行的顺序不会改变，尽管我们期望:

When using sort -k 1,1 file.txt, the order of lines will not change, though we are expecting :

  2 bar
  100 foo
  300 tuu

如何根据绝对数值对由数字组成的字段进行排序?

How to sort a field consisting of numbers based on the absolute numerical value?

推荐答案

浏览手册页，排序 ...

   -n, --numeric-sort
          compare according to string numerical value

所以这是一个例子...

So here is an example...

sort -n filename

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