Re: detect previous installation
Re: detect previous installation
- Subject: Re: detect previous installation
- From: Fritz Anderson <email@hidden>
- Date: Fri, 20 Jul 2007 11:27:32 -0500
On 20 Jul 2007, at 11:16 AM, Chad Wagner wrote:
is there way that I can check during my installation whether my
software has been installed before, even if it has since been
completely uninstalled? any advice appreciated, thanks!
If you mean _completely_ uninstalled — meaning that all trace of the
software having been there is undetectable, then obviously you can't
detect it.
Most users are not so thorough. You might look for the preference
file, or for the receipt (/Library/Receipts) from a previous
installation.
Your software might place an invisible "breadcrumb" file of zero
length somewhere in the system for later installations to discover,
but putting unauthorized files on other people's computers is evil.
— F
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