with a find command we produced a listing of all files in the disk.
cat listing/* >LISTING
grep -i “.jpeg$” LISTING | wc -l
grep -i “.jpg$” LISTING >> IMAGES
grep -i “.jpeg$” LISTING >> IMAGES
grep -i “.gif$” LISTING >> IMAGES
grep -i “.tiff$” LISTING >> IMAGES
grep -i “.tif$” LISTING >> IMAGES
grep -i “.psd$” LISTING >> IMAGES
wc -l IMAGES
142456 image files
grep -i “.aif$” LISTING >>AUDIO
grep -i “.wav$” LISTING >>AUDIO
grep -i “.ogg$” LISTING >>AUDIO
wc -l AUDIO
714 audio files
At least some duplication within the cassettes
diff C4002.aif
grep -i “.mp4$” LISTING >>VIDEO
grep -i “.mpeg$” LISTING >>VIDEO
grep -i “.mpg$” LISTING >>VIDEO
grep -i “.mov$” LISTING >>VIDEO
grep -i “.qt$” LISTING >>VIDEO
wc -l VIDEO
video files
group files by size (vignettes videos)