串联文件并在文件之间插入新行 [英] Concatenating Files And Insert New Line In Between Files

问题描述

我有多个文件要与cat连接. 假设

I have multiple files which I want to concat with cat. Let's say

File1.txt 
foo

File2.txt
bar

File3.txt
qux

我想进行合并，使最终文件看起来像这样:

I want to concat so that the final file looks like:

foo

bar

qux

代替通常的cat File*.txt > finalfile.txt

foo
bar 
qux

什么是正确的方法?

推荐答案

您可以这样做:

for f in *.txt; do (cat "${f}"; echo) >> finalfile.txt; done

在运行上述命令之前，请确保文件finalfile.txt不存在.

Make sure the file finalfile.txt does not exist before you run the above command.

如果允许使用awk，则可以执行以下操作:

If you are allowed to use awk you can do:

awk 'FNR==1{print ""}1' *.txt > finalfile.txt

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