reg --format='%(account) = %(strip(amount))\n'
<<<
2007/02/02 RD VMMXX
    Assets:Investments:Vanguard:VMMXX  0.350 VMMXX @ $1.00
    Income:Dividends:Vanguard:VMMXX        $-0.35
>>>1
Assets:Investments:Vanguard:VMMXX = 0.350 VMMXX
Income:Dividends:Vanguard:VMMXX = $-0.35
>>>2
=== 0