Rename all files in a dovecot Maildir removing the "T" flag (T=Trash)

dovecot-untrash-all

#!/bin/bash
#
# (c) 2015 Mattanja Kern <mattanjakern.de>
#
# DOVECOT Maildir remove T="Trash" flag from all files in folders.
#

removeTrashFromFileName() {
        rename 's/(.+),ST$/$1,S/' "$1"
        rename 's/(.+),RST$/$1,RS/' "$1"
        rename 's/(.+),STa$/$1,Sa/' "$1"
        rename 's/(.+),STab$/$1,Sab/' "$1"
}

export -f removeTrashFromFileName

find ./ -type f -regex '.*,\(ST\|RST\|STa\|STb\|STab\)' -exec bash -c 'removeTrashFromFileName "{}"' \;