A PIF delta product is a small installable unit in the PIF packaging format, which contains only the differences between two versions of the same PIF product. Instead of installing a complete new PIF product on all target computers, you can install only the small delta product on all target computers where the previous version of the PIF product is already installed. For example, a PIF delta product contains all changed and new files of the new PIF product and additional uninstall instructions for files in the previous product version that are no longer used in the new PIF product.
A PIF delta product is a standard PIF product.
You create PIF delta products using the pifdelta command, as shown in the following example.
Example: Create a delta product from two product versions
The following command compares the versions of the PIF product MERCHANT located in the subdirectories called 2100 and 3000 of the product installation directory and creates the PIF delta product containing only the differences between the product versions 2.1.0.0 and 3.0.0.0 in the subdirectory called deltas.
pifdelta -p $PATHmerchant\2100\MERCHANT.Any.@pif
-v $PATHmerchant\3000\MERCHANT.Any.@pif -d $PATHmerchant\deltas\MERCHANT.Any.2.1.0.0-3.0.0.0.@pif
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