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Duck

Detecting the Newest version of Java currently installed

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Duck

I am having some issue coming up with the logic to detect the latest version of Java installed on a PC via the JRE in C:\Program Files\Java\*
I need to detect the latest version of Java (JRE) to dynamically create a batch file that points to the correct Java version. 

I have already put all the subfolders name's in an array but now i need to find the latest version for my $version variable

 

 

Quote
;Gift Card Finder
#include <File.au3>
#include <Array.au3>

If FileExists('C:\Program Files\Java\*') Then
        Global $fileList = _FileListToArray('C:\Program Files\Java\', 'jre*')
EndIf


For $i = 1 To $fileList[0]
    Local $version = StringTrimLeft($fileList[$i],3);Get JRE version number
    ;Local $version = StringReplace($version, '_', '')
    MsgBox(0,'','jre' & $version)
Next


Local $batch = "C:\IT\GiftCardFind.bat"

$file = FileOpen($batch, 1)
        FileWriteLine($file, ' ')
        FileWriteLine($file, '@echo off')
        FileWriteLine($file, 'SETLOCAL')
        FileWriteLine($file, ' ')
        FileWriteLine($file, 'SET JAVA_7_PATH="C:\program files\java\'& $version &'"')
        FileWriteLine($file, ' ')
        FileWriteLine($file, 'SET SHARE=\\srvlpcorp01\GiftCardFinder')
        FileWriteLine($file, 'TITLE Gift Card Finder')
        FileWriteLine($file, 'SET LOG_FILE="C:\Program Files\GCFind\GCFind.Log"')
        FileWriteLine($file, 'SET JAVA_JRE="C:\program files\java\'& $version &'\bin\java.exe"')
        FileWriteLine($file, ' ')
        FileWriteLine($file, 'ECHO Gift Card Finder started %DATE% %TIME% > %LOG_FILE% 2>&1')
        FileWriteLine($file, 'PUSHD %SHARE% >>%LOG_FILE% 2>&1')
        FileWriteLine($file, 'set cpath=.\;.\swing-worker-1.2.jar;.\sqljdbc.jar;.\log4j.jar')
        FileWriteLine($file, '%JAVA_JRE% -cp %cpath%  com.giftcardUtils.GiftCardFinder >> %LOG_FILE% 2>&1')
        FileWriteLine($file, 'POPD >>%LOG_FILE% 2>&1')
    FileClose($file)

 

 

Edited by Duck

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mLipok

 

 

 


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rudi

Hi

Have a look at the VersionCompare() function.

 

Regards, Rudi.

Edited by rudi

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