list-apps.sh

#!/bin/bash -eoux pipefail

# Very very roughly, list a Mac's installed applications and their versions 
# Output is nearly a valid CSV file, you might need to tweak it a little

for infile in /Applications/*/Contents/Info.plist ; do
    name=$(plutil -extract CFBundleName raw "${infile}")
    if [[ "$name" =~ .*"Could not extract value".* ]]; then
        name=${infile#/Applications/}
        name=${name%/Contents/Info.plist}
    fi
    version=$(plutil -extract CFBundleShortVersionString raw "${infile}")
    if [[ "$version" =~ .*"Could not extract value".* ]]; then
        version=$(plutil -extract CFBundleVersion raw "${infile}")
    fi

    echo "${name},${version}"
done