批处理文件->复制和比较ASCII文件

Question

Can anyone help me write this batch file?

1. If there is no csv file inside "copy\\" folder, batch file to copy "original\\file.csv" to "copy\\file.txt"
2. Batch file to generate another csv file with the differences between the newest .OK and the "copy/file.txt".

Answer 1

First point:

if not exist "copy\\file.csv" copy "original\\file.csv" "copy\\file.csv"

Second point:

@echo off
( for /f "delims=" %%i in (file.txt) do (
    findstr /C:"%%i" file.OK  >nul || echo %%i
  )
)>out.txt

Pseudo-Code for better understanding:

For each line in file text do:
  Does this line exist in file.OK? If not, write the line...
...to out.txt