Bash script that generates csv of file tree (path to file, size and md5 hash)

indexer.bash

#!/bin/bash
RUN_DIR=$1

if [ -z "$1" ]; then
    echo "Usage: $0 <directory of game distribution>"
    exit 1
fi

echo Generating index of $RUN_DIR ...
pushd $RUN_DIR

# write csv headers
echo "file,size,hash" > index.csv

find . -type f -print0 | while read -d $'\0' file; do
    echo $file
    FILE_SIZE=$(stat -c%s "$file")
    FILE_HASH=($(md5sum "$file"))
    
    echo "$file,$FILE_SIZE,$FILE_HASH" >> index.csv
done
cat index.csv

popd