Deletes all node_module folders in folders that are older than 120 days.

clean.sh

#!/bin/bash

# Sensible defaults

# So clean
clear
echo "Deleting all old node_modules folders..."

# Process things
find ${1:-'~/Sites'} -type d -mtime +120 -maxdepth 1 | while read line; do
    echo "Processing '$line'..."
    if [ -d "$line/node_modules" ]; then
        find "$line" -depth -name "node_modules" -type d | while read line; do
            echo "Found! Deleteing: '$line'"
            rm -rf $line
        done
    fi
done