I think you should pass the parameters as strings as in:

prmstartdate = dtoc(date()-15)
prmenddate = dtoc(date())
! /n C:\work\acct\acct05.exe prmstartdate prmenddate

HTH

>How do I pass a command line parameter to a Dos Foxpro 2.6 executable from Visual foxpro. The below code does not work.
>
>prmstartdate = date()-15
>prmenddate = date()
>! /n C:\work\acct\acct05.exe prmstartdate prmenddate
>
>Receiving program.
>
>Param prmstartdate, prmenddate
>
>
>Problem is the values in the variables are displayed as prmstartdate and not the value.
>
>Any help is appreciated.
>Thank you in advance
>Joe Hendren