尘丶

一

@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%a in (1.txt) do set /a num=!num!+%%a
echo;!num!
pause
复制代码

二

@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%a in (1.txt) do (
echo;%%a
echo;!num!
set num=%%a
)
pause
复制代码

三

@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%a in (1.txt) do (
findstr "%%a" 2.txt>nul 2>nul||echo;%%a>>2.txt
)
pause
复制代码

前面好像出过类型的

尘丶

一

@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%a in (1.txt) do set /a num=!num!+%%a
echo;!num!
pause
复制代码

二

@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%a in (1.txt) do (
echo;%%a
echo;!num!
set num=%%a
)
pause
复制代码

三

@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%a in (1.txt) do (
findstr "%%a" 2.txt>nul 2>nul||echo;%%a>>2.txt
)
pause
复制代码

前面好像出过类型的