@echo off
setlocal
set iconv=C:\iconv\bin\iconv
set /a count=0
if "%1" == "/?" (
	echo The program decodes text from cp866 to utf-8
	echo decoder directory - decodes all .txt files in directory
	echo decoder /? - shows help
	exit /b)

if "%1" neq "" ( set directory="%1"
) else (
echo You forgot to enter directory, for more info enter "decoder /?"
exit /b
)

:tmp
set temporaryFile=%RANDOM%

if exist %temporaryFile% goto tmp

echo Wait, I'm working...

for /r %directory% %%f in (*.txt) do (
	%iconv% -f cp866 -t utf-8 %%f > %temporaryFile%
	if not %errorlevel% == 0 (
		echo	your mistake level %errorlevel%
	) else (
		move %temporaryFile% %%f 1> nul
		set /a count+=1
		)
)

echo %count% files was decoded

endlocal
exit /b