如何将标题和预告片从文件移动到另一个文件？

Question

I have around 100 text files with close to thousand records in a folder. I want to copy header and trailer of these files into a new file with the file name of respective file.

So the output i want is as

File_Name,Header,Trailer

is this possible using Unix or Python?

Answer 1

一种方法是使用包含文件的文件夹中的 bash shell：

for file in *; do echo "$file,$(head -1 $file),$(tail -1 $file)"; done

Answer 2

带有别名的 PowerShell 核心单行

 gci *.txt |%{"{0},{1},{2}" -f $_.FullName,(gc $_ -Head 1),(gc $_ -Tail 1)}|set-content .\newfile.txt