3. Script Language > Environment Variables and Global Signals > EVS.

EVS. - Environment Variable Set

MiniRobotLanguage (MRL)

EVS. Command

Environment Variable Set

Intention

Sets or clears an Environment Variable entry. Depending on parameters these can be from the local or from the global Environment variables table.

The global Environment table is been read directly out of 32-bit registry:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment

Syntax

EVS.P1|P2[|P3]

Parameter Explanation

P1 - (in) is taken as name for the environment-variable to use.

P2 - (in) this is the value that is stored in P1

P3 - Options

g - (gobal) write String from global Environment-table instead

to local Application Table.

t - (table) writes String to local Application Table instead

of to global Environment-table

Example

'**********************************************

' EVG./EVS. - Sample

'**********************************************

'DBM.2

' Get %SystemRoot%

EVG.SYSTEMROOT|§§VAR

PRT.Systemroot=>§§VAR

PRT.===========================================

' EVS. without opt writes a global Environment variable

EVS.MyVar|MyValue

EVG.MyVar|§§RES|g

PRT.§§RES

PRT.===========================================

' EVS. with opt t writes a local Environment variable

EVS.MyVar|MyValue|t

EVG.MyVar|§§RES

PRT.§§RES

PRT.===========================================

DMP.4

:over

MBX.Halt to read output

'**********************************************

Remarks

Limitations:

The global environment table is read from 32-bit registry.