FileExist in path environment

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FileExist in path environment
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SKAN

Joined: 26 Dec 2005
Posts: 7609

Posted: Thu Aug 30, 2007 2:17 pm Post subject:

Andreone wrote:

Actually, c:\\ or c:\\dir\file are still valid paths. However, I understand it can be seen as dirty.

Honestly, I thought a little more than of cosmetic value, like it could create some problems in specific situations:

Code:

hModule := DllCall( "LoadLibrary", Str,WhereIs("MyThirdParty.DLL") )

Well! It works fine with double slash! Still, I prefer the function to conform to regular standard.

Quote:

During testing, I felt that msgboxes appeared faster when not calling PathAddBackslashA.

Oh! I will also experiment with RegEx ( I remember PhiLho giving me one )

Smile

tic

Joined: 22 Apr 2007
Posts: 1502

Posted: Thu Aug 30, 2007 2:33 pm Post subject:

Code:

StringRight, CheckLastSlashSource, Source, 1
If CheckLastSlashSource = \
StringTrimRight, Source, Source, 1

SKAN

Joined: 26 Dec 2005
Posts: 7609

Posted: Thu Aug 30, 2007 2:38 pm Post subject:

@tic: I know as that is the documented method.

tic

Joined: 22 Apr 2007
Posts: 1502

Posted: Thu Aug 30, 2007 2:49 pm Post subject:

sorry! was just wondering what all the commotion was about

SKAN

Joined: 26 Dec 2005
Posts: 7609

Posted: Thu Aug 30, 2007 3:47 pm Post subject:

tic wrote:

wondering what all the commotion was about

We were tinkering a good idea and hence the commotion. Very Happy

Anyways, here is a shortened version:

Code:

WhereIs( File ) {
SplitPath, A_AhkPath,, A_AhkDir
EnvGet, Dos, Path
sPath=%A_WorkingDir%;%A_ScriptDir%;%A_AhkDir%;%A_AhkDir%\Lib;%A_MyDocuments%\AutoHotkey\Lib;%Dos%
Loop, Parse, sPath, `;
IfNotEqual, A_LoopField,, IfExist, %A_LoopField%\%File%
Return, RegExReplace( A_LoopField "\" File, "\\\\", "\" )
RegRead, AppPath, HKLM, SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\%File%
IfExist, %AppPath%, Return, AppPath
}

Credit: I borrowed the function name and the Registry path from this <external link>

Smile

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