TLW Filename Randomizer

randomizer.sh

#!/bin/bash

# Check if the directory was passed as an argument
if [ "$#" -ne 1 ]; then
    echo "Usage: $0 /path/to/photo/directory"
    exit 1
fi

DIRECTORY="$1"

# Check if the provided argument is a directory
if [ ! -d "$DIRECTORY" ]; then
    echo "Error: $DIRECTORY is not a directory."
    exit 2
fi

# Change to the specified directory
cd "$DIRECTORY" || exit

# Generate a random name that doesn't already exist
generate_random_name() {
    local ext="$1"
    local rand_name
    while true; do
        rand_name=$(uuidgen | tr -d '-')
        if [ ! -e "${rand_name}.${ext}" ]; then
            echo "${rand_name}.${ext}"
            return
        fi
    done
}

# Rename files to a random name
for file in *; do
    # Extract file extension
    extension="${file##*.}"
    new_name=$(generate_random_name ".${extension}")
    mv "$file" "$new_name"
done