as someone who regularly gets on site with a client and has to quickly work himself into an existing codebase, I found these tools interesting. I stole them from Greg Young's excellent talk "How to get productive on a project in 24h" at http://www.youtube.com/watch?v=KaLROwp-VDY The change rate of modules and files over time is especially intere…

git file change statistics

# find the modules/folders with highest number of changes
git rev-list --objects --all | awk '$2' | sort -k2 | uniq -cf1 | sort -rn | head

# find the files with the highest number of changes
git rev-list --objects --all | awk '$2' | sort -k2 | uniq -cf1 | sort -rn |
    while read frequency sample path
    do 
       [ "blob" == "$(git cat-file -t $sample)" ] && echo "$frequency\t$path";
    done