[文本处理] 【已解决】批处理怎么合并文本中相同前缀的数据？

@echo off & setlocal enabledelayedexpansion
for /f "tokens=1,2" %%i in (1.txt) do (
    if not defined $%%i set /a n+=1&set #!n!=%%i
    set /a $%%i+=%%j
)
for /L %%i in (1,1,!n!) do for %%j in (!#%%i!) do echo %%j !$%%j!
pause
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@echo off
for /f "tokens=1,2" %%i in (1.txt) do set /a $%%i+=%%j
for /f "tokens=1,2delims==$" %%i in ('set ) do echo %%i %%j
pause
复制代码