if [[ -x "$PV_" && $verbose_ -ge 3 ]] ; then
ddcmd_="dd if=$ENTROPY_SOURCE_ bs=1M 2>/dev/null | $PV_ | dd of=$TARGET_ bs=1M &>/dev/null"
fi
if [[ -x "$PV_" && $verbose_ -ge 3 ]] ; then
ddcmd_="dd if=$ENTROPY_SOURCE_ bs=1M 2>/dev/null | $PV_ | dd of=$TARGET_ bs=1M &>/dev/null"
fi