aws s3 touch

aws_s3_touch.sh

#!/usr/bin/env bash

# https://stackoverflow.com/questions/13455168/is-there-a-way-to-touch-a-file-in-amazon-s3
aws_s3_touch() {
  python3 -c 'from urllib.parse import urlparse; u=urlparse("'$1'"); print(f"{u.netloc} {u.path[1:]}")' | while read bucket key;
do
        aws s3api put-object --bucket $bucket --key $key
done
}

aws_s3_touch s3://mybucket/path/to/file.success

#!/usr/bin/env bash

# for existing file, real touch

aws_s3_touch() {
   aws s3 cp --metadata '{"touched":"now"}' $1 $1
}