git.zsh

# git ls-files                            - Get me all the tracked files in the repo.
# xargs -I file sh -c ' echo $(...) file' - For each file, echo a subcommand appended by the filename.
# git log -1 --format=%ct file            - Get the last-commit date for a file.
# sort -n                                 - sort the output!
# > files-with-last-commit-dates          - Write it to another file.
git ls-files | xargs -I file sh -c 'echo $(git log -1 --format=%ct file) file' | sort -n > files-with-last-commit-dates