@echo off&setlocal enabledelayedexpansion
set n=0
for /f "tokens=1-3" %%a in (bw.txt) do (
	set/a n+=1 
	if "!n!"=="1" echo %%a %%b %%c
	for /f "tokens=*" %%i in (date.txt) do (
		if %%i==%%a echo %%a %%b %%c
	)
)
pause>nul	
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@echo off&setlocal enabledelayedexpansion
for /f "tokens=1-3" %%a in (bw.txt) do (
	for /f "tokens=*" %%i in (date.txt) do (
		if %%i neq %%a echo %%a %%b %%c >>bw_new.txt
	)
)
pause>nul
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@echo off
set /p str=<date.txt
(for /f "tokens=1-3" %%a in (bw.txt) do (
    if %str% neq %%a echo %%a %%b %%c
))>bw_new.txt
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gawk "NR==FNR{str=$0}NR>FNR{if($1!=str)print}" date.txt bw.txt > bw_new.txt
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