将文本添加到.txt文件中每行的开头 [英] Adding text to start of each new line in a .txt file

问题描述

我想在文本文件的每一行中添加预定义的文本，并使用添加的文本创建一个新的文本文件.请帮忙.

I would like to add a predefined text to each new line on a text file and create a new text file with the added text. Please help.

推荐答案

在Windows中，可以这样做:

In Windows, this will do it:

(for /f "delims=" %L in (oldfile.txt) do @echo predefined text %L)> newfile.txt

请注意，在批处理文件中，您需要使用双%符号:

Note that in a batch file you'll need to use double % signs:

(for /f "delims=" %%L in (oldfile.txt) do @echo predefined text %%L)> newfile.txt

还请注意，如果不将>"放在％L之后，则每行之后都会有一个空格.如果您使用">>"而不是>"，则将继续添加到newfile.txt上，而不是每次运行时都创建一个新文件.

Note also that if you don't put the ">" right after the %L, you will get a space after every line. If you use ">>" instead of ">" you will keep adding on to newfile.txt instead of creating a new one each time you run it.

这篇关于将文本添加到.txt文件中每行的开头的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！