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MiniRobotLanguage (MRL)
RER. Command
REgistry entry Read
Intention
Read Registry Entries and values of any datatype..
If this command fails, it will return a API-Error number on the stack.
If the command succeeds, the value on the stack is zero.
VAR.§§REG=HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Acrobat 5.0\
RER.§§REG|DisplayName|§§RES
DBP. Result: >§§RES<
' Now we read a value and get its Type...
RER.§§REG|DisplayName|§§RES|§§TYP
DBP. Result: >§§RES<§§TYP>
END.
You can use this command 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.reg64|1
Syntax
RER.P1|P2|P3[|P4]
Parameter Explanation
P1 - (in) Registry Key to read
P2 - (in) Name of Reg - Entry which is been read.
P3 - (out) Result: Content Value of Reg-Entry which is been read.
P4 - (out) numeric value which shows the Datatype of value which
is been read. Details see below.
Here is the numeric code for the datatype-value (P4):
0 - 'REG_NONE No defined value type.
1 - 'REG_SZ A null-terminated string.
It will be a Unicode or ANSI string, depending on whether
you use the Unicode or ANSI functions.
2 - 'REG_EXPAND_SZ A null-terminated string that contains
unexpanded references to ' environment variables (for example, "%PATH%").
It will be a Unicode or ANSI string depending on
whether you use the Unicode or ANSI functions.
3 - 'REG_BINARY Binary data in any form.
4 - 'REG_DWORD A 32-bit number.
5 - 'REG_DWORD_BIG_ENDIAN A 32-bit number in big-endian format.
In big-endian format,
' the most significant byte of a word is the low-order byte.
6 - 'REG_LINK A Unicode symbolic link.
7 - 'REG_MULTI_SZ An array of null-terminated strings,
terminated by two null characters.
8 - 'REG_RESOURCE_LIST A device-driver resource list.
Example
DBP.===============================================================
' First we read a value ...
: §§REG=HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Acrobat 5.0\
RER.§§REG|DisplayName|§§RES
DBP. Result: >§§RES<
DBP.===============================================================
' Now we read a value and get its Type...
RER.§§REG|DisplayName|§§RES|§§TYP
DBP. Result: >§§RES<§§TYP>
DBP.===============================================================
END.
Remarks
-
Limitations:
-
See also:
• IER. / NER. - If-Exist-Registry