tmplinshi

@echo off

setlocal

:: ================ 清空以 $ 开头的变量
	for /f "delims==" %%a in ('set $ 2^>nul') do (
		set %%a=
	)

:: ================ 统计每个单词出现次数
	for /f "usebackq tokens=*" %%a in ("a.txt") do (
		for %%i in (%%a) do (
			set /a $%%i += 1
		)
	)

:: ================ 输出结果
	(
		for /f "tokens=1,2 delims=$=" %%a in (' set $ ') do (
			echo %%a %%b
		)
	) >"单词统计.txt"
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