Prepare the transferred-files log from `snowball cp` for easy comparison to `find . -type f -print`.

prepare_snowball_transferred_files_log_for_comparison.bash

#!/bin/bash
set -e
set -u

Usage () { cat >&2 <<EOF
Usage: $0 < /tmp/snowball-xxx/transferred-files
Prepare the transferred-files log from 'snowball cp'
for easy comparison to 'find . -type f -print'.
(Reads from stdin and writes to stdout.)
EOF
}

if [ $# -gt 0 ] ; then
  Usage
  exit 1
fi

IFS=, read -a header

get_mountpoint_from_header () {
  while [ $# -gt 0 ] ; do
    case "$1" in
      cp|--*)
        shift
        ;;
      *)
        break
        ;;
    esac
  done
  sed -e 's#%2F#/#g' <<<"$1"
}

mountpoint=$( get_mountpoint_from_header "${header[@]}" )

sed -e "s#^${mountpoint}#.#"