GetExePath: Difference between revisions

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== Links ==
== Links ==
; Latest version of headers "nsh.zip":
; Latest version of headers "nsh.zip":
: http://forums.winamp.com/showthread.php?s=&threadid=203228&goto=lastpost
: http://forums.winamp.com/showthread.php?s=&threadid=203228&goto=lastpost


If a function is used without an header, you should put the function below in your script before calling it.
If a function is used without header, put the function code in your script before calling it.


== The Function ==
== The Function Description==
<highlight-nsis>/*
 
<highlight-nsis>
____________________________________________________________________________
____________________________________________________________________________


Line 20: Line 22:
Syntax:
Syntax:
${GetExePath} $var
${GetExePath} $var
</highlight-nsis>




Example:
<b>Example:</b>
Section
<highlight-nsis>Section
${GetExePath} $R0
${GetExePath} $R0
; $R0="C:\ftp"
; $R0="C:\ftp"
SectionEnd*/
SectionEnd
 
</highlight-nsis>


;---------------------------------------------------------------------------
== The Function Code==


<highlight-nsis>
Function GetExePath
Function GetExePath
!define GetExePath `!insertmacro GetExePathCall`
!define GetExePath `!insertmacro GetExePathCall`

Revision as of 14:42, 4 July 2005

Author: Instructor (talk, contrib)


Links

Latest version of headers "nsh.zip"
http://forums.winamp.com/showthread.php?s=&threadid=203228&goto=lastpost

If a function is used without header, put the function code in your script before calling it.

The Function Description

____________________________________________________________________________
 
                            GetExePath
____________________________________________________________________________
 
 
Get installer pathname ($EXEDIR with valid case for Windows 9X).
 
 
Syntax:
${GetExePath} $var


Example:

Section
	${GetExePath} $R0
	; $R0="C:\ftp"
SectionEnd

The Function Code

Function GetExePath
	!define GetExePath `!insertmacro GetExePathCall`
 
	!macro GetExePathCall _RESULT
		Call GetExePath
		Pop ${_RESULT}
	!macroend
 
	Push $0
	Push $1
	Push $2
 
	StrCpy $1 $CMDLINE 1
	StrCmp $1 '"' 0 exedir
	StrCpy $1 0
	IntOp $1 $1 + 1
	StrCpy $0 $CMDLINE 1 $1
	StrCmp $0 '"' 0 -2
	IntOp $1 $1 - 1
	StrCpy $0 $CMDLINE $1 1
 
	StrCpy $1 0
	IntOp $1 $1 - 1
	StrCpy $2 $0 1 $1
	StrCmp $2 '\' 0 -2
	StrCpy $0 $0 $1
	goto end
 
	exedir:
	StrCpy $0 $EXEDIR
 
	end:
	Pop $2
	Pop $1
	Exch $0
FunctionEnd