[wpkg-users] newbie questions

[Paul McGrath]

Obviously it has to be an exact case match or match with wildcard 'FileZilla Client %version%'

As well as being here
HKLM\Software\Microsoft\Windows\CurrentVersion\Uninstall
The install location in the registry can be here
HKLM\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall

That is if you want to do text searches on the registry for the 'uninstallstring'

Paul

-----Original Message-----
From: wpkg-users [mailto:wpkg-users-bounces at lists.wpkg.org] On Behalf Of Yanni
Sent: 15 December 2015 12:10
To: wpkg-users at lists.wpkg.org
Subject: Re: [wpkg-users] newbie questions

In other words, using the "filezilla" example:

"if the uninstall registry key, called filezilla, is present do not re-install filezilla"

Correct?

On 15/12/15 12:00, Peter Gough wrote:
> The 'uninstall' condition checks the uninstall registry keys for the value specified.
>
> Exit codes generally report '0' for success but sometimes you might also want to have other values if, for example, the software is already installed.
>
>> On 15 Dec 2015, at 9:51 PM, Yanni <y.goudetsidis at mail.cryst.bbk.ac.uk> wrote:
>>
>> Hello
>>
>> In many packages I see this line: check type="uninstall" 
>> condition="exists" path="filezilla" />
>>
>> The way I understand this is: Do not install, if software already exists on the machine. What I don't understand is on the "path" variable is only the software name. How does it know where to look?
>>
>> What about the exit codes? Are the "exit codes" I've seen in the 
>> packages syntax for the purpose of displaying error messages if the install fails?
>>
>> Thank you
>>
>>
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