#!/bin/sh

set -eu

rename() {
    local dirname="$1"
    local pattern="$2"
    local suffix="$3"

    find "$dirname"/cur "$dirname"/new -type f \
         -name "*:2,*" \
         ! -name "$pattern" \
         -exec mv '{}' '{}S' ';'
}

mark_seen()
{
    local dirname="$1"
    rename "$dirname" "*:2,*S*" "S"
}


for dirname in "$@"
do
    mark_seen "$dirname"
done