site_archiver@lists.apple.com Delivered-To: installer-dev@lists.apple.com Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=irZkonErdNUr5UBm9ku+RshWj1KEfgJhK7H8ziIU61g=; b=gKwjHQ1EvZPifG9COjK0FccbUVmMmR740sdj2rAkxnvGhmYPMb9rZWR3Eb7vjpCazF s0VsAtKGsCFnEs0fogC4eYAJpL2NvyEJOwJRg6+QcJfXm8hRUgvEPgCsd4fjCluqBH+l h25HrGKqtzrcP05Q/7PjPGNJpFZr3kVUwcOpc= Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=iw6NXIe5lo6hK1wCN4B66b8lrnv2dtaSL/+KvSNB9tWuy2PXDmgTSgMd0ogMcaCzFH gZFRdWlXItJAfusnZ2NVhF4+8IyP4GQEEn+y9sqUrVTSvUTsCS7tUXTwRPaqg8n4BtXW q5RUVeUF7CfvNWGtcq0D7B7/WL5sQ1/Suln94= What about a payload that is a diff? PackageMaker supports this. The inconvenient is that it probably only works to update a specific version (contrary to what you could/can do with InstallerVISE) On Sat, May 29, 2010 at 12:05 AM, Andrew Peckover <apeckover@pgmusic.com> wrote:

Hi,

Is there a way that I can have a file only get installed if it is already present on the user's system?  I know that I can set a requirement for a choice (only install if  a particular file exists on target), however I need to do this for hundreds of files.

The only way I can think of doing it is to create hundreds of different choices.  Which I can do with some time, but then hundreds of receipts get put on the user's system which seems a little "unprofessional" Does anyone know a better way?  I would be very grateful for any tips...

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