LatestFile returns the path of 'fileName' in 'dir' if the file exists, otherwise it will return the most recent file (based on the timestamp contained in 'fileName').

ProductIDsIntersect given two sets of product IDs returns whether they have any elements in common.

RecentVulns filters vulnerabilities based on whether the vulnerability cve is contained in 'meta'.

Rpmvercmp Compares two evr strings (EPOCH:VERSION-RELEASE) by looking at each part in order: - EPOCHs are compared based on their numeric values, if missing then '0' is assumed, if equal then VERSIONs are compared.

VulnsDelta compares what vulnerabilities already exists with what new vulnerabilities were found and returns what to insert and what to delete.