codebase metrics

metrics.sh

# use noglob on zsh
# change file extensions where appropriate

# collect source file paths for analysis
find . -name "*.js" | grep -v "bower_components" | grep -v "node_modules" > source_files.txt

# number of files in project
wc -l source_files.txt

# number of lines by file
cat source_files.txt | xargs wc -l | sort -r | less

# number of commits by file 

# since beginning of history
cat source_files.txt | parallel --progress "git log --follow --oneline {} | wc -l | xargs -I {count} echo {count} {} >> commits-by-file.txt"
cat commits-by-file.txt | sort -r -n

# last month
cat source_files.txt | parallel --progress "git log --follow --oneline --after={1.month.ago} {} | wc -l | xargs -I {count} echo {count} {} >> commits-by-file-last-month.txt"
cat commits-by-file-last-month.txt | sort -r -n

# last quarter
cat source_files.txt | parallel --progress "git log --follow --oneline --after={3.months.ago} {} | wc -l | xargs -I {count} echo {count} {} >> commits-by-file-last-quarter.txt"
cat commits-by-file-last-quarter.txt | sort -r -n