Upload a bunch of files over time

atupload.sh

#!/bin/bash

if [ -z "$1" ]; then
    WD="$CWD"
else
    WD="$1"
fi

readarray -d '' FILES < <(find $WD -type f -print0)

# iterate through array using a counter
for ((i=0; i<${#FILES[@]}; i++)); do
    day=$(($i + 1))
    FILE_PATH="${FILES[$i]}"
    FILE_NAME=$(basename "$FILE_PATH")

    echo b2 upload-file bucket \""$FILE_PATH"\" \""$FILE_NAME"\" | at 1am + $day days
done