<lots of rude words of frustration!> It's NOT working. The example I had working was doing it running standalone but the production version has to run as a task called under another app. The code below never gets away from the application's run time directory even though they're both branches under the same root. 
        $vsvroot = $config{$ServerX . "ROOT"};
        chdir($vsvroot);
        MsgLog ("d", "vsvroot = $vsvroot");
        MsgLog ("d", cwd());
        foreach $vsvxdb (<cntl/*>) {
            MsgLog ("d", "Add $vsvxdb to tarfile\n");
            if (! $tar->add_files($vsvxdb)) {
                MsgLog ("e", "Failed to add original $vsvxdb to backup
+ archive.  Quitting.")    
            }
        }

[download]
The log shows...

vsvroot = "C:\LRSROOT\vsvxroot"

C:/LRSROOT/vpsxroot

Add cntl/ckpt.dat to tarfile

Which lines above correspond to the three MsgLog function calls in the sample code. Note that the vsvroot variable (I left the $ off in the log message) uses backslashes and points to the vsVxroot folder but the print of cwd() shows the vPsxroot folder - same parent, different subfolders. The perl code is called from and app who's root is vPsxroot. I've tried this with a simple test script and it definitely still calls tar from the working directory which is not changed by chdir(). I'm very confused!

In reply to Re^5: Archive::Tar from somewhere outside my runtime directory by Anonymous Monk
in thread Archive::Tar from somewhere outside my runtime directory by murrayn

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