count

#!/bin/bash

# Count files according to their extension

recursive=false
summary=false

while getopts "rsh" opt; do
    case $opt in
        r)
            recursive=true
            ;;
        s)
            summary=true
            ;;
        h)
            echo "  -r"
            echo "      Recursive"
            echo "  -s"
            echo "      Summary of each subdirectory"
            exit 0
            ;;
    esac
done

dirs=()

# If summary, add each subdirectory
if $summary; then
    for dir in ./*; do
        if [[ -d "$dir" ]]; then
            dirs+=("$dir")
        fi
    done
# Else, add only the current directory
else
    dirs+=(".")
fi

if $recursive; then
    maxdepth=""
else
    maxdepth="-maxdepth 1"
fi

for dir in "${dirs[@]}"; do
    echo $dir
    find "$dir" $maxdepth -type f -printf "%f\n" | egrep --invert-match '^\.' | rev | cut -d . -f1 | rev | sort | uniq -ic | sort -rn
done