Create new analysis to retrieve Content from a file

You have a couple options. Yes, you could create an analysis for each property in your local file

example DNS1 property:

following text of first "=" of lines whose (it starts with "DNS1") of file <full path to file>

But also those values you have could just be created as analysis properties to pull the values via BigFix Client inspectors and not deal with local files.

Example: BIOS How to find the BIOS Version