EnVar plug-in - Revision history

JasonFriday13 at 06:09, 30 January 2026

2026-01-30T06:09:19Z

â† Older revision		Revision as of 06:09, 30 January 2026
Line 29:		Line 29:
	Section		Section

	; Check for write access		; Check for write access
	EnVar::Check "NULL" "NULL"		EnVar::Check "NULL" "NULL"
	Pop $0		Pop $0
	DetailPrint "EnVar::Check write access HKCU returned=\|$0\|"		DetailPrint "EnVar::Check write access HKCU returned=\|$0\|"

	; Set to HKLM		; Set to HKLM
	EnVar::SetHKLM		EnVar::SetHKLM
Line 41:		Line 41:
	Pop $0		Pop $0
	DetailPrint "EnVar::Check write access HKLM returned=\|$0\|"		DetailPrint "EnVar::Check write access HKLM returned=\|$0\|"

	; Set back to HKCU		; Set back to HKCU
	EnVar::SetHKCU		EnVar::SetHKCU
	DetailPrint "EnVar::SetHKCU"		DetailPrint "EnVar::SetHKCU"

	; Check if the 'temp' variable exists in EnVar::SetHKxx		; Check if the 'temp' variable exists in EnVar::SetHKxx
	EnVar::Check "temp" "NULL"		EnVar::Check "temp" "NULL"
	Pop $0		Pop $0
	DetailPrint "EnVar::Check returned=\|$0\|"		DetailPrint "EnVar::Check returned=\|$0\|"

	; Append a value		; Append a value
	EnVar::AddValue "ZTestVariable" "C:\Test"		EnVar::AddValue "ZTestVariable" "C:\Test"
	Pop $0		Pop $0
	DetailPrint "EnVar::AddValue returned=\|$0\|"		DetailPrint "EnVar::AddValue returned=\|$0\|"

	EnVar::AddValue "ZTestVariable" "C:\TestJas"		EnVar::AddValue "ZTestVariable" "C:\TestJas"
	Pop $0		Pop $0
	DetailPrint "EnVar::AddValue returned=\|$0\|"		DetailPrint "EnVar::AddValue returned=\|$0\|"

	EnVar::AddValue "ZTestVariable1" "C:\Test"		EnVar::AddValue "ZTestVariable1" "C:\Test"
	Pop $0		Pop $0
	DetailPrint "EnVar::AddValue returned=\|$0\|"		DetailPrint "EnVar::AddValue returned=\|$0\|"

	; Append an expanded value (REG_EXPAND_SZ)		; Append an expanded value (REG_EXPAND_SZ)
	EnVar::AddValueEx "ZTestVariable1" "C:\Test"		EnVar::AddValueEx "ZTestVariable1" "C:\Test"
	Pop $0		Pop $0
	DetailPrint "EnVar::AddValueEx returned=\|$0\|"		DetailPrint "EnVar::AddValueEx returned=\|$0\|"

	EnVar::AddValueEx "ZTestVariable1" "C:\TestVariable"		EnVar::AddValueEx "ZTestVariable1" "C:\TestVariable"
	Pop $0		Pop $0
	DetailPrint "EnVar::AddValueEx returned=\|$0\|"		DetailPrint "EnVar::AddValueEx returned=\|$0\|"

	; Delete a value from a variable		; Delete a value from a variable
	EnVar::DeleteValue "ZTestVariable1" "C:\Test"		EnVar::DeleteValue "ZTestVariable1" "C:\Test"
	Pop $0		Pop $0
	DetailPrint "EnVar::DeleteValue returned=\|$0\|"		DetailPrint "EnVar::DeleteValue returned=\|$0\|"

	EnVar::DeleteValue "ZTestVariable1" "C:\Test"		EnVar::DeleteValue "ZTestVariable1" "C:\Test"
	Pop $0		Pop $0
	DetailPrint "EnVar::DeleteValue returned=\|$0\|"		DetailPrint "EnVar::DeleteValue returned=\|$0\|"

	EnVar::DeleteValue "ZTestVariable1" "C:\TestJason"		EnVar::DeleteValue "ZTestVariable1" "C:\TestJason"
	Pop $0		Pop $0
	DetailPrint "EnVar::DeleteValue returned=\|$0\|"		DetailPrint "EnVar::DeleteValue returned=\|$0\|"

	; Set a value (overwrites everything in the value)		; Set a value (overwrites everything in the value)
	EnVar::SetValue "ZTestVariable1" "C:\Test1"		EnVar::SetValue "ZTestVariable1" "C:\Test1"
	Pop $0		Pop $0
	DetailPrint "EnVar::SetValue returned=\|$0\|"		DetailPrint "EnVar::SetValue returned=\|$0\|"

	EnVar::SetValue "ZTestVariable2" "C:\Test2"		EnVar::SetValue "ZTestVariable2" "C:\Test2"
	Pop $0		Pop $0
	DetailPrint "EnVar::SetValue returned=\|$0\|"		DetailPrint "EnVar::SetValue returned=\|$0\|"

	EnVar::SetValue "ZTestVariable3" "C:\Test3"		EnVar::SetValue "ZTestVariable3" "C:\Test3"
	Pop $0		Pop $0
	DetailPrint "EnVar::SetValue returned=\|$0\|"		DetailPrint "EnVar::SetValue returned=\|$0\|"

	; Set an expanded value (REG_EXPAND_SZ)		; Set an expanded value (REG_EXPAND_SZ)
	EnVar::SetValueEx "ZTestVariable2" "C:\Test4"		EnVar::SetValueEx "ZTestVariable2" "C:\Test4"
	Pop $0		Pop $0
	DetailPrint "EnVar::SetValueEx returned=\|$0\|"		DetailPrint "EnVar::SetValueEx returned=\|$0\|"

	EnVar::SetValueEx "ZTestVariable3" "C:\Test5"		EnVar::SetValueEx "ZTestVariable3" "C:\Test5"
	Pop $0		Pop $0
Line 112:		Line 112:
	Pop $0		Pop $0
	DetailPrint "EnVar::Delete returned=\|$0\|"		DetailPrint "EnVar::Delete returned=\|$0\|"

	EnVar::Delete "ZTestVariable1"		EnVar::Delete "ZTestVariable1"
	Pop $0		Pop $0

JasonFriday13: Added SetValue and SetValueEx usage

2026-01-30T05:30:22Z

Added SetValue and SetValueEx usage

â† Older revision		Revision as of 05:30, 30 January 2026
Line 29:		Line 29:
	Section		Section

	; Check for write access		; Check for write access
	EnVar::Check "NULL" "NULL"		EnVar::Check "NULL" "NULL"
	Pop $0		Pop $0
	DetailPrint "EnVar::Check write access HKCU returned=\|$0\|"		DetailPrint "EnVar::Check write access HKCU returned=\|$0\|"

	; Set to HKLM		; Set to HKLM
	EnVar::SetHKLM		EnVar::SetHKLM
Line 41:		Line 41:
	Pop $0		Pop $0
	DetailPrint "EnVar::Check write access HKLM returned=\|$0\|"		DetailPrint "EnVar::Check write access HKLM returned=\|$0\|"

	; Set back to HKCU		; Set back to HKCU
	EnVar::SetHKCU		EnVar::SetHKCU
	DetailPrint "EnVar::SetHKCU"		DetailPrint "EnVar::SetHKCU"

	; Check if the 'temp' variable exists in EnVar::SetHKxx		; Check if the 'temp' variable exists in EnVar::SetHKxx
	EnVar::Check "temp" "NULL"		EnVar::Check "temp" "NULL"
	Pop $0		Pop $0
	DetailPrint "EnVar::Check returned=\|$0\|"		DetailPrint "EnVar::Check returned=\|$0\|"

	; Append a value		; Append a value
	EnVar::AddValue "ZTestVariable" "C:\Test"		EnVar::AddValue "ZTestVariable" "C:\Test"
	Pop $0		Pop $0
	DetailPrint "EnVar::AddValue returned=\|$0\|"		DetailPrint "EnVar::AddValue returned=\|$0\|"

	EnVar::AddValue "ZTestVariable" "C:\TestJas"		EnVar::AddValue "ZTestVariable" "C:\TestJas"
	Pop $0		Pop $0
	DetailPrint "EnVar::AddValue returned=\|$0\|"		DetailPrint "EnVar::AddValue returned=\|$0\|"

	EnVar::AddValue "ZTestVariable1" "C:\Test"		EnVar::AddValue "ZTestVariable1" "C:\Test"
	Pop $0		Pop $0
	DetailPrint "EnVar::AddValue returned=\|$0\|"		DetailPrint "EnVar::AddValue returned=\|$0\|"

	; Append an expanded value (REG_EXPAND_SZ)		; Append an expanded value (REG_EXPAND_SZ)
	EnVar::AddValueEx "ZTestVariable1" "C:\Test"		EnVar::AddValueEx "ZTestVariable1" "C:\Test"
	Pop $0		Pop $0
	DetailPrint "EnVar::~~AddValue~~ returned=\|$0\|"		DetailPrint "EnVar::AddValueEx returned=\|$0\|"

	EnVar::AddValueEx "ZTestVariable1" "C:\TestVariable"		EnVar::AddValueEx "ZTestVariable1" "C:\TestVariable"
	Pop $0		Pop $0
	DetailPrint "EnVar::~~AddValue~~ returned=\|$0\|"		DetailPrint "EnVar::AddValueEx returned=\|$0\|"

	; Delete a value from a variable		; Delete a value from a variable
	EnVar::DeleteValue "ZTestVariable1" "C:\Test"		EnVar::DeleteValue "ZTestVariable1" "C:\Test"
	Pop $0		Pop $0
	DetailPrint "EnVar::DeleteValue returned=\|$0\|"		DetailPrint "EnVar::DeleteValue returned=\|$0\|"

	EnVar::DeleteValue "ZTestVariable1" "C:\Test"		EnVar::DeleteValue "ZTestVariable1" "C:\Test"
	Pop $0		Pop $0
	DetailPrint "EnVar::DeleteValue returned=\|$0\|"		DetailPrint "EnVar::DeleteValue returned=\|$0\|"

	EnVar::DeleteValue "ZTestVariable1" "C:\TestJason"		EnVar::DeleteValue "ZTestVariable1" "C:\TestJason"
	Pop $0		Pop $0
	DetailPrint "EnVar::DeleteValue returned=\|$0\|"		DetailPrint "EnVar::DeleteValue returned=\|$0\|"

			; Set a value (overwrites everything in the value)
			EnVar::SetValue "ZTestVariable1" "C:\Test1"
			Pop $0
			DetailPrint "EnVar::SetValue returned=\|$0\|"

			EnVar::SetValue "ZTestVariable2" "C:\Test2"
			Pop $0
			DetailPrint "EnVar::SetValue returned=\|$0\|"

			EnVar::SetValue "ZTestVariable3" "C:\Test3"
			Pop $0
			DetailPrint "EnVar::SetValue returned=\|$0\|"

			; Set an expanded value (REG_EXPAND_SZ)
			EnVar::SetValueEx "ZTestVariable2" "C:\Test4"
			Pop $0
			DetailPrint "EnVar::SetValueEx returned=\|$0\|"

			EnVar::SetValueEx "ZTestVariable3" "C:\Test5"
			Pop $0
			DetailPrint "EnVar::SetValueEx returned=\|$0\|"

	; Delete a variable		; Delete a variable
	EnVar::Delete "ZTestVariable"		EnVar::Delete "ZTestVariable"
			Pop $0
			DetailPrint "EnVar::Delete returned=\|$0\|"

			EnVar::Delete "ZTestVariable1"
			Pop $0
			DetailPrint "EnVar::Delete returned=\|$0\|"

			EnVar::Delete "ZTestVariable2"
			Pop $0
			DetailPrint "EnVar::Delete returned=\|$0\|"

			EnVar::Delete "ZTestVariable3"
	Pop $0		Pop $0
	DetailPrint "EnVar::Delete returned=\|$0\|"		DetailPrint "EnVar::Delete returned=\|$0\|"
Line 94:		Line 128:
	EnVar::Delete "path"		EnVar::Delete "path"
	Pop $0		Pop $0
	DetailPrint "EnVar::Delete returned=\|$0\|"		DetailPrint "EnVar::Delete returned=\|$0\|"

	SectionEnd		SectionEnd

Anders: Clarify some things

2022-09-30T15:30:24Z

Clarify some things

â† Older revision		Revision as of 15:30, 30 September 2022
Line 46:		Line 46:
	DetailPrint "EnVar::SetHKCU"		DetailPrint "EnVar::SetHKCU"

	; Check ~~for a~~ 'temp' variable		; Check if the 'temp' variable exists in EnVar::SetHKxx
	EnVar::Check "temp" "NULL"		EnVar::Check "temp" "NULL"
	Pop $0		Pop $0
	DetailPrint "EnVar::Check returned=\|$0\|"		DetailPrint "EnVar::Check returned=\|$0\|"

	; ~~Add~~ a value		; Append a value
	EnVar::AddValue "ZTestVariable" "C:\Test"		EnVar::AddValue "ZTestVariable" "C:\Test"
	Pop $0		Pop $0
Line 60:		Line 60:
	DetailPrint "EnVar::AddValue returned=\|$0\|"		DetailPrint "EnVar::AddValue returned=\|$0\|"

	~~; Add an expanded value~~
	EnVar::AddValue "ZTestVariable1" "C:\Test"		EnVar::AddValue "ZTestVariable1" "C:\Test"
	Pop $0		Pop $0
	DetailPrint "EnVar::AddValue returned=\|$0\|"		DetailPrint "EnVar::AddValue returned=\|$0\|"

			; Append an expanded value (REG_EXPAND_SZ)
	EnVar::AddValueEx "ZTestVariable1" "C:\Test"		EnVar::AddValueEx "ZTestVariable1" "C:\Test"
	Pop $0		Pop $0
Line 91:		Line 91:
	DetailPrint "EnVar::Delete returned=\|$0\|"		DetailPrint "EnVar::Delete returned=\|$0\|"

	; Try deleting "path", this should give an error		; Try deleting "path", this should give an error (%path% is a shared resource)
	EnVar::Delete "path"		EnVar::Delete "path"
	Pop $0		Pop $0

JasonFriday13: Added info about new function (update installer environment)

2018-12-18T10:35:53Z

Added info about new function (update installer environment)

â† Older revision		Revision as of 10:35, 18 December 2018
Line 10:		Line 10:
	== Description ==		== Description ==

	Basically this plugin allows you to check for environment variables, check for paths in those variables, add and remove paths, ~~and~~ delete environment variables.		Basically this plugin allows you to check for environment variables, check for paths in those variables, add and remove paths, delete environment variables, and update the installer environment if the windows environment has changed.

	Just extract the contents to your nsis directory (usually '$PROGRAMFILES\NSIS').		Just extract the contents to your nsis directory (usually '$PROGRAMFILES\NSIS').

JasonFriday13 at 04:44, 29 February 2016

2016-02-29T04:44:29Z

â† Older revision		Revision as of 04:44, 29 February 2016
Line 6:		Line 6:
	<attach>EnVar_plugin.zip</attach>		<attach>EnVar_plugin.zip</attach>

	[http://forums.winamp.com/showthread.php?t=~~377498~~ Forum thread]		[http://forums.winamp.com/showthread.php?t=389964 Forum thread]

	== Description ==		== Description ==

JasonFriday13: Created page with "{{PageAuthor|JasonFriday13}} == Links == Plugin package:
EnVar_plugin.zip [http://forums.winamp.com/showthread.php?t=377498 Forum thread] == Descripti..."

2016-02-29T04:42:34Z

Created page with "{{PageAuthor|JasonFriday13}} == Links == Plugin package:<br> <attach>EnVar_plugin.zip</attach> [http://forums.winamp.com/showthread.php?t=377498 Forum thread] == Descripti..."

New page

{{PageAuthor|JasonFriday13}}

== Links ==

Plugin package:<br>
<attach>EnVar_plugin.zip</attach>

[http://forums.winamp.com/showthread.php?t=377498 Forum thread]

== Description ==

Basically this plugin allows you to check for environment variables, check for paths in those variables, add and remove paths, and delete environment variables.

Just extract the contents to your nsis directory (usually '$PROGRAMFILES\NSIS').

== Sample Usage ==

<highlight-nsis>
Name "EnVar Example"
OutFile "EnVarExample.exe"

RequestExecutionLevel User
ShowInstDetails Show

Page InstFiles

Unicode True

Section

; Check for write access
EnVar::Check "NULL" "NULL"
Pop $0
DetailPrint "EnVar::Check write access HKCU returned=|$0|"

; Set to HKLM
EnVar::SetHKLM

; Check for write access
EnVar::Check "NULL" "NULL"
Pop $0
DetailPrint "EnVar::Check write access HKLM returned=|$0|"

; Set back to HKCU
EnVar::SetHKCU
DetailPrint "EnVar::SetHKCU"

; Check for a 'temp' variable
EnVar::Check "temp" "NULL"
Pop $0
DetailPrint "EnVar::Check returned=|$0|"

; Add a value
EnVar::AddValue "ZTestVariable" "C:\Test"
Pop $0
DetailPrint "EnVar::AddValue returned=|$0|"

EnVar::AddValue "ZTestVariable" "C:\TestJas"
Pop $0
DetailPrint "EnVar::AddValue returned=|$0|"

; Add an expanded value
EnVar::AddValue "ZTestVariable1" "C:\Test"
Pop $0
DetailPrint "EnVar::AddValue returned=|$0|"

EnVar::AddValueEx "ZTestVariable1" "C:\Test"
Pop $0
DetailPrint "EnVar::AddValue returned=|$0|"

EnVar::AddValueEx "ZTestVariable1" "C:\TestVariable"
Pop $0
DetailPrint "EnVar::AddValue returned=|$0|"

; Delete a value from a variable
EnVar::DeleteValue "ZTestVariable1" "C:\Test"
Pop $0
DetailPrint "EnVar::DeleteValue returned=|$0|"

EnVar::DeleteValue "ZTestVariable1" "C:\Test"
Pop $0
DetailPrint "EnVar::DeleteValue returned=|$0|"

EnVar::DeleteValue "ZTestVariable1" "C:\TestJason"
Pop $0
DetailPrint "EnVar::DeleteValue returned=|$0|"

; Delete a variable
EnVar::Delete "ZTestVariable"
Pop $0
DetailPrint "EnVar::Delete returned=|$0|"

; Try deleting "path", this should give an error
EnVar::Delete "path"
Pop $0
DetailPrint "EnVar::Delete returned=|$0|"

SectionEnd
</highlight-nsis>

[[Category:Plugins]]