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MiniRobotLanguage (MRL)
IER. Conditional Statement
If Exist Registry
Intention
This command can be used to find out, if a specified registry Key, Entry or Value is available. Standard-Search Pattern can not be used.
You can use this statement on x64 systems. In this case, you have the 32- and the 64-bit registry. You can choose which to use with the OPT. - command.
' Switch access to x64-registry
OPT.reg64|1
or
' Switch access to x32-registry on x64 systems
OPT.reg32|1
Syntax
IER.P1[|P2][|P3][|P4]
Parameter Explanation
P1 - Registry-path as if you copy it from a ".reg"-file.
P2 - Entry-name if given
P3 - Value if given.
P4 - Type of Entry - if given.
Type of Entry is a numeric argument as follows:
' 0 - REG_NONE ' No value type
' 1 - REG_SZ ' Unicode nul terminated string
' 2 - REG_EXPAND_SZ ' Unicode nul terminated string plus Environment-Var
' 3 - REG_BINARY ' Free form binary
' 4 - REG_DWORD ' 32-bit number
' 4 - REG_DWORD_LITTLE_ENDIAN' 32-bit number (same as %REG_DWORD)
' 5 - REG_DWORD_BIG_ENDIAN ' 32-bit number
' 6 - REG_LINK ' Symbolic Link (unicode)
' 7 - REG_MULTI_SZ ' Multiple Unicode strings
' 8 - REG_RESOURCE_LIST ' Resource list in the resource map
' 9 - REG_FULL_RESOURCE_DESCRIPTOR
' 10 - REG_RESOURCE_REQUIREMENTS_LIST
' 11 - REG_QWORD ' 64-bit number
' 11 - REG_QWORD_LITTLE_ENDIAN ' (same as %REG_QWORD)
Example
''*********************************************
' IER. - Sample
'**********************************************
'DBM.2
PRT.=====================================================
:§§REG=HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\SO\MISC
IER.§§REG
PRT. Result: Exist
ELS.
PRT. Result: Doesn't Exist or no Access-Rights.
EIF.
DMP.4
PRT.=====================================================
: §§REG=HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\SO\MISC
: §§KEY=Type
IER.§§REG|§§KEY
PRT. Result: Exist
ELS.
PRT. Result: Doesn't Exist or no Access-Rights.
EIF.
DMP.4
PRT.=====================================================
: §§REG=HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\SO\MISC
: §§KEY=Type
: §§VAL=group
IER.§§REG|§§KEY|§§VAL
PRT. Result: Exists and is a match
ELS.
PRT. Result: Doesn't Exist or no Access-Rights or Value does not match.
EIF.
DMP.4
PRT.=====================================================
' This is a special case because we give 4 parameter and value is "-"
' in this case value is not evaluated, just the type is compared
' if value is diffrent from "-" it will also be compared.
: §§REG=HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\SO\MISC
: §§KEY=Type
: §§VAL=-
: §§TYP=2
IER.§§REG|§§KEY|§§VAL|§§TYP
PRT. Result: Exists and is a match
ELS.
PRT. Result: Doesn't Exist or no Access-Rights or Type does not match.
EIF.
DMP.4
PRT.=====================================================
END.
Remarks
IEP. and other IXX. can be nested to unlimited Depth, and they can also enclose Sub-Program Calls or FEX. (Enumerations) to unlimited Depth.
Limitations:
-
See also:
• IER. / NER. - If-Exist-Registry