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分享程序员开发的那些事...
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如何在Windows中分割大文本文件?

更新时间:2023-01-30 22:19:03

如果已安装


您可以在此图中看到 split 生成的文件被命名为 xaa xab xac 等。


这些名称是由可以指定的前缀和后缀。由于未指定前缀或后缀的外观,因此前缀默认为 x ,后缀默认为两个字符的字母枚举。


另一个示例:


此示例演示了



  • 使用文件名前缀 MySlice (而不是默认的 x ),

  • -d 标志用于使用数字后缀(而不是 aa ab ac 等),

  • 和选项 -a 5 告诉我,我希望后缀为5位数字:



I have a log file with size of 2.5 GB. Is there any way to split this file into smaller files using windows command prompt?

If you have installed Git for Windows, you should have Git Bash installed, since that comes with Git.

Use the split command in Git Bash to split a file:

  • into files of size 500MB each: split myLargeFile.txt -b 500m

  • into files with 10000 lines each: split myLargeFile.txt -l 10000

Tips:

  • If you don't have Git/Git Bash, download at https://git-scm.com/download

  • If you lost the shortcut to Git Bash, you can run it using C:\Program Files\Git\git-bash.exe

That's it!


I always like examples though...

Example:

You can see in this image that the files generated by split are named xaa, xab, xac, etc.

These names are made up of a prefix and a suffix, which you can specify. Since I didn't specify what I want the prefix or suffix to look like, the prefix defaulted to x, and the suffix defaulted to a two-character alphabetical enumeration.

Another Example:

This example demonstrates

  • using a filename prefix of MySlice (instead of the default x),
  • the -d flag for using numerical suffixes (instead of aa, ab, ac, etc...),
  • and the option -a 5 to tell it I want the suffixes to be 5 digits long: