found some missing files by just ignoring everything but file stem.
grep -vE '(avi|blp|m2|wdt|adt|txt|bls|anim|bone|skin|xml|lua|phys|db2|html|htm|unk|toc|amsfolder|unk|skel|wmo|tex|png|wdl|meta|tga|wlw|sbt|mdx|wwe|pd4|wlm|pm4|zmp|blob|col|sig|dbc|h2o|wtf|dylib|ttf|dat|lst|what|wfx)$' listfile.csv > listfile
tr '[:upper:]' '[:lower:]' < missing.lua | sed -e s,.*/,, -e 's,.ogg$,,' > miss
cat miss | while read f; do grep --color=always "$f" listfile; done | tee found
sort -u found > found.txt
found some missing files by just ignoring everything but file stem.
found.txt
the following files appear to be false findings:
the remainder look close enough to be the actual files.