如何将一个文件中的行附加到另一文件的每一行的末尾? [英] How do I append lines from one file to the end of each line of another file?

问题描述

假设我有两个文件:

cat
dog
baboon

feline
canine
primate

我想在添加空格后在一个文件的末尾附加一个文件的行.我知道一种使用bash中的for循环来执行此操作的方法，但是我认为只有一个命令可以执行这种操作，而我只是不记得了.

I want to append the lines from one file at the end of another file after adding a space. I know a way to do this using a for loop in bash, but I think there is a single command that can do this sort of thing, and I just can't remember it.

输出应如下所示:

cat feline
dog canine
baboon primate

推荐答案

paste --delimiter=' ' file1 file2

注意:结果将被写入stdout.如果要将结果存储在文件中，请使用重定向运算符:

Note: the result will be written to stdout. If you want to store the result in a file, use a redirection operator:

paste --delimiter=' ' file1 file2 > outputfile

运行man paste有关该命令的更多信息.

Run man paste for more information about the command.

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