Slice off Prefix String
path_with_prefix="package:/data/app/hi"
echo "path_with_prefix: ${path_with_prefix:?}"
path_without_prefix="${path_with_prefix#package:}"
echo "path_without_prefix: ${path_without_prefix:?}"
path_with_prefix="package:/data/app/hi"
echo "path_with_prefix: ${path_with_prefix:?}"
path_without_prefix="${path_with_prefix#package:}"
echo "path_without_prefix: ${path_without_prefix:?}"