Script to show lines attributed to each author

gistfile1.sh

# Get all current files in your repo of the extensions that you want to be considered code
# (.scala and .js for my example)
git ls-files | egrep "\.(scala|js)$" > files.txt

# Now edit files.txt to remove files that you don't want counted, like jQuery extensions

cat files.txt | xargs -n1 git blame -w | ruby -n -e '$_ =~ /^.*\((.*?)\s[\d]{4}/; puts $1.strip' | sort -f | uniq -c | sort -n