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RemoveVarByType.cmd
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RemoveVarByType.cmd
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@ECHO OFF
SETLOCAL ENABLEDELAYEDEXPANSION&::(Don't pollute the global environment with the following)
::**********************************************************************
SET $NAME=%~n0
SET $DESCRIPTION=Remove variables by type / prefix
SET $AUTHOR=Erik Bachmann, ClicketyClick.dk [ErikBachmann@ClicketyClick.dk]
SET $SOURCE=%~f0
::@(#)NAME
::@(-) The name of the command or function, followed by a one-line description of what it does.
::@(#) %$NAME% -- %$DESCRIPTION%
::@(#)
::@(#)SYNOPSIS
::@(-) In the case of a command, a formal description of how to run it and what command line options it takes.
::@(-) For program functions, a list of the parameters the function takes and which header file contains its definition.
::@(-)
::@(#) %$NAME% [VAR]
::@(#)
::@(#)OPTIONS
::@(-) Flags, parameters, arguments (NOT the Monty Python way)
::@(#) -h Help page
::@(#)
::@ (#)
::@(#)DESCRIPTION
::@(-) A textual description of the functioning of the command or function.
::@(#) Remove all variables from the environment by the variables prefix
::@(#)
::@(#)EXAMPLES
::@(-) Some examples of common usage.
::@(#)
::@(#) SET #x=x
::@(#) SET #y=y
::@(#) CALL removevarbytype #
::@(#)
::@ (#)EXIT STATUS
::@(-) Exit status / errorlevel is 0 if OK, otherwise 1+.
::@ (#)
::@ (#)ENVIRONMENT
::@(-) Variables affected
::@ (#)
::@ (#)
::@ (#)FILES,
::@(-) Files used, required, affected
::@ (#)
::@ (#)
::@ (#)BUGS / KNOWN PROBLEMS
::@(-) If any known
::@ (#)
::@ (#)
::@(#)REQUIRES
::@(-) Dependecies
::@(#) _Debug.cmd Setting up debug environment for batch scripts
::@(#) _GetOpt.cmd Parse command line options and create environment vars
::@(#)
::@ (#)SEE ALSO
::@(-) A list of related commands or functions.
::@ (#)
::@ (#)
::@ (#)REFERENCE
::@(-) References to inspiration, clips and other documentation
::@ (#) Author:
::@ (#) URL:
::@ (#)
::@(#)
::@(#)SOURCE
::@(-) Where to find this source
::@(#) %$Source%
::@(#)
::@ (#)AUTHOR
::@(-) Who did what
::@ (#) %$AUTHOR%
::*** HISTORY **********************************************************
::SET $VERSION=YYYY-MM-DD&SET $REVISION=hh:mm:ss&SET $COMMENT=Description/init
::SET $VERSION=2015-02-19&SET $REVISION=16:00:00&SET $COMMENT=Autoupdate / ErikBachmann
::SET $VERSION=2015-10-08&SET $REVISION=11:20:00&SET $COMMENT=GetOpt: Calling usage on -h and exit on error / ErikBachmann
SET $VERSION=2016-03-14&SET $REVISION=10:00:00&SET $COMMENT=Set "%~dp0\ prefix on function calls / ErikBachmann
::**********************************************************************
::@(#)(c)%$Version:~0,4% %$Author%
::**********************************************************************
CALL "%~dp0\_DEBUG"
CALL "%~dp0\_Getopt" %*&IF ERRORLEVEL 1 EXIT /B 1
ENDLOCAL
:MAIN
FOR /F %%A IN ('(set %~1 ^) 2^>^&1 ^| find /C "="') DO CALL "%~dp0\_Action" "- Removing vars [%~1]: %%A"
CALL :RemoveVarByType %~1
SET %~1>NUL 2>&1
IF ERRORLEVEL 1 (
CALL "%~dp0\_Status" "Done"
EXIT /B 0
)
CALL "%~dp0\_Status" "Failure"
ECHO Ooops! Still vars in environment:
SET %~1
EXIT /B 1
GOTO :EOF
:RemoveVarByType
FOR /F "usebackq delims==" %%C IN (`SET %~1 2^>nul`) DO (
REM ECHO Removing [%%C]
IF DEFINED %%C SET %%C=
)
GOTO :EOF
::*** End of File *****************************************************