find authors in chrome's code

find_authors.sh

find_authors() {
  local locations;
  [ $# -eq 0 ] && locations='.' || locations="$@";
  for loc in $locations; do
    echo "finding top 3 authors for: $loc";
    local dir;
    [ -d "$loc" ] && dir="$loc" || dir="`dirname "$loc"`";
    local vcs;
    if [ -d "$dir/.svn" ]; then
      find "$loc" -type f | grep -v '\/.svn' | \
          xargs -I{} svn blame -r HEAD {} | cut -d ' ' -f2- | cut -d '@' -f1;
    else
      find "$loc" -type f | xargs -I{} git blame HEAD -- {} | \
          egrep -o '[a-f0-9]+ \(\w+@\w+' | cut -d '@' -f 1 | cut -d '(' -f2;
    fi | sort | uniq -c | sort -nr | head -3;
  done;
}