用于比较文本文件内容的批处理文件

本文介绍了用于比较文本文件内容的批处理文件的处理方法，对大家解决问题具有一定的参考价值

问题描述

我有两个包含以下数字的文本文件

I have two text files which contain the below numbers

我需要一个代码，将 file2 的内容与 file1 的内容以及不匹配的数字进行比较，在这种情况下，'22222' 是 file2 中唯一的内容.

I need a code which compares the contents of file2 to that of file1 and the numbers which are not matched , in this case '22222' be the only content in file2.

简而言之，我想删除 file2 的内容并将不匹配的内容放入 file2.下面是我尝试过的代码，但它只是删除了 file2 中的整个内容.

In short i want to erase the content of file2 and put the non matched content in file2. Below is the code i have tried but it just erases the entire thing in the file2.

setlocal enabledelayedexpansion

for /f "tokens=1" %%a in (file1) do (type file2 | findstr /v %%a > file2)

pause

底线我需要达到以下结果

Bottom line i need to achieve the below results

File1
00000
11111

File2
22222

请帮忙！

推荐答案

这样就可以了.它取决于使用 findstr/m 选项和错误级别.

This does the job. It hinges around using findstr /m option and errorlevels.

它还在处理过程中写入临时文件(并清理它).

Also it writes to a temporary file during processing (and cleans it).


@echo off
setlocal enabledelayedexpansion
echo Stripping duplicates in file2 (%2) compared to lines in file1 (%1)

if not exist "%1" (
  echo That first file doesn't exist.
  exit /b 1
)

if not exist "%2" (
  echo That second file doesn't exist.
  exit /b 2
)

REM Create empty temporary file
echo. 2> %2.tmp

for /f "tokens=1" %%a in (%2) do (
  echo Processing %%a
  >nul call findstr /m "%%a" %1
  if errorlevel 1 (
    echo OK
    >> %2.tmp echo %%a
  ) else (
    echo Duplicate!
  )
)


echo Writing results to %2
xcopy /y /q %2.tmp %2
del /q %2.tmp

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用于比较文本文件内容的批处理文件

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