Replace space with underscore and backup to s3 with md5 as filename

backup-s3.sh

#!/usr/bin/env bash

for f in *; do
        mv "$f" `echo $f | tr ' ' '_'`;
done

for f in *; do
        echo $f;
        echo $f | md5sum | awk '{print $1}';
        aws s3 cp $f s3://bucket-name-something/$(echo $f | md5sum | awk '{print $1}');
done