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Implementation is stored here: https://sourceforge.net/p/contools/contools/HEAD/tree/trunk/Scripts/Tools/std https://sourceforge.net/p/tacklelib/tacklelib/HEAD/tree/trunk/bash/tacklelib

Implementation is stored here: 
https://github.com/andry81/contools/tree/HEAD/scripts/tools/std
https://github.com/andry81/tacklelib/tree/HEAD/bash/tacklelib

Implementation is stored here: https://sourceforge.net/p/contools/contools/HEAD/tree/trunk/Scripts/Tools

Implementation is stored here: https://sourceforge.net/p/contools/contools/HEAD/tree/trunk/Scripts/Tools/std https://sourceforge.net/p/tacklelib/tacklelib/HEAD/tree/trunk/bash/tacklelib

@echo off rem Another variant of a configuration file variables read and set script. rem The script must stay as simple as possible, so for this task it uses these parameters: rem 1. path where to lock a lock file rem 2. path where to read a file with variable names (each per line) rem 3. path where to read a file with variable values (each per line, must be the same quantity of lines with the variable names file) rem disable alternative variables expansion to avoid `!` character consumption setlocal DISABLEDELAYEDEXPANSION set "FILE_LOCK_PATH=%~1" set "FILE_VAR_NAMES_PATH=%~2" set "FILE_VAR_VALUES_PATH=%~3" set "PRINT_VARS_SET=%~4" set "FILE_LOCK_DIR=%~d1" rem the lock file directory must already exist if not exist "%FILE_LOCK_DIR%" ( echo.%~nx0: error: FILE_LOCK_DIR does not exist: "%FILE_LOCK_DIR%" exit /b 1 ) >&2 if not exist "%FILE_VAR_NAMES_PATH%" ( echo.%~nx0: error: FILE_VAR_NAMES_PATH does not exist: "%FILE_VAR_NAMES_PATH%" exit /b 2 ) >&2 if not exist "%FILE_VAR_VALUES_PATH%" ( echo.%~nx0: error: FILE_VAR_VALUES_PATH does not exist: "%FILE_VAR_VALUES_PATH%" exit /b 3 ) >&2 rem The endlocal works only in the same call context endlocal rem exclusive acquire of the lock file :REPEAT_LOCK_LOOP ( ( rem if lock is acquired, then we are in... call :MAIN "%%~2" "%%~3" "%%~4" call set "LASTERROR=%%ERRORLEVEL%%" rem exit with return code from the MAIN ) 9> "%~1" && (del /F /Q /A:-D "%~1" & goto EXIT) ) 2>nul rem Busy wait: with external call significantly reduces CPU consumption while in a waiting state pathping localhost -n -q 1 -p 20 >nul 2>&1 goto REPEAT_LOCK_LOOP :EXIT exit /b %LASTERROR% :MAIN rem drop last error type nul>nul if %~30 NEQ 0 goto SET_WITH_PRINT rem trick with simultaneous iteration over 2 lists in the same time ( for /f "usebackq eol=# tokens=* delims=" %%i in ("%~1") do ( set /p "%%i=" ) ) < "%~2" exit /b :SET_WITH_PRINT rem trick with simultaneous iteration over 2 lists in the same time ( for /f "usebackq eol=# tokens=* delims=" %%i in ("%~1") do ( set /p "%%i=" rem to filter out wrong matches of a variable from the `set "%%i"` for /f "usebackq eol=# tokens=1,* delims==" %%j in (`set "%%i"`) do if "%%j" == "%%i" echo.%%i=%%k ) ) < "%~2" 

@echo off rem Another variant of a configuration file variables read and set script. rem The script must stay as simple as possible, so for this task it uses these parameters: rem 1. path where to lock a lock file rem 2. path where to read a file with variable names (each per line) rem 3. path where to read a file with variable values (each per line, must be the same quantity of lines with the variable names file) rem disable alternative variables expansion to avoid `!` character consumption setlocal DISABLEDELAYEDEXPANSION set "FILE_LOCK_PATH=%~1" set "FILE_VAR_NAMES_PATH=%~2" set "FILE_VAR_VALUES_PATH=%~3" set "PRINT_VARS_SET=%~4" set "FILE_LOCK_DIR=%~d1" rem the lock file directory must already exist if not exist "%FILE_LOCK_DIR%" ( echo.%~nx0: error: FILE_LOCK_DIR does not exist: "%FILE_LOCK_DIR%" exit /b 1 ) >&2 if not exist "%FILE_VAR_NAMES_PATH%" ( echo.%~nx0: error: FILE_VAR_NAMES_PATH does not exist: "%FILE_VAR_NAMES_PATH%" exit /b 2 ) >&2 if not exist "%FILE_VAR_VALUES_PATH%" ( echo.%~nx0: error: FILE_VAR_VALUES_PATH does not exist: "%FILE_VAR_VALUES_PATH%" exit /b 3 ) >&2 rem The endlocal works only in the same call context endlocal rem exclusive acquire of the lock file :REPEAT_LOCK_LOOP ( ( rem if lock is acquired, then we are in... call :MAIN "%%~2" "%%~3" "%%~4" call set "LASTERROR=%%ERRORLEVEL%%" rem exit with return code from the MAIN ) 9> "%~1" && (del /F /Q /A:-D "%~1" & goto EXIT) ) 2>nul rem Busy wait: with external call significantly reduces CPU consumption while in a waiting state pathping localhost -n -q 1 -p 20 >nul 2>&1 goto REPEAT_LOCK_LOOP :EXIT exit /b %LASTERROR% :MAIN rem drop last error type nul>nul if %~30 NEQ 0 goto SET_WITH_PRINT rem trick with simultaneous iteration over 2 lists in the same time ( for /f "usebackq eol=# tokens=* delims=" %%i in ("%~1") do ( set /p "%%i=" ) ) < "%~2" exit /b 0 :SET_WITH_PRINT rem trick with simultaneous iteration over 2 lists in the same time ( for /f "usebackq eol=# tokens=* delims=" %%i in ("%~1") do ( set /p "%%i=" rem to filter out wrong matches of a variable from the `set "%%i"` for /f "usebackq eol=# tokens=1,* delims==" %%j in (`set "%%i"`) do if /i "%%j" == "%%i" echo.%%i=%%k ) ) < "%~2" exit /b 0