script.sh

target_number=1
target_folder="folder "$target_number"/"
#set up the switch folder function, not working correctly yet though
file_count=$(expr $(\ls ${target_folder} | wc -l) - 3) #count the number of files, too slow so need to remplace with counting transfer.


inotifywait -m -q -e close_write --format %f . | while IFS= read -r file; do
#watch a directory/folder for files that have their file descriptor closed, then read the filename of the file printed by inotifywait.
    if [ file_count=>400000 ]; then
#if the file count exceed 400k (or transfer in the preferred case)
        #change folder here
        target_number=$((target_number + 1))
        #folder scheme is mostly folder1 folder2 etc
        file_count=$(expr $(\ls ${target_folder} | wc -l) - 3)
        #used the same function twice, i'm dumb
    fi
    move ${file} ${target_folder}
    #move files but really can be doing anything else than this
    file_count=$(expr $file_count + 1)
    #i think i might need to delete that, not sure
done