pirnt file number for each extension and the total file number

file_statistic.sh

# with git:
git ls-files | wc -l | awk '{$1=$1;print $1 " total"}';git ls-files| sed 's/.*\.//' | sort | uniq -c | sort -r|awk '{$1=$1;print}'

# without git
find . -type f | wc -l | awk '{$1=$1;print $1 " total"}'; find . -type f | sed 's/.*\.//' | sort | uniq -c | sort -r|awk '{$1=$1;print}'

sample result:

29 total
6 tsx
6 bazel
3 scss
3 md
2 json
1 ts
1 sh
1 lock
1 js
1 html
1 gitignore
1 clang-format
1 bazelrc
1 WORKSPACE