Hi Christian, >> if not exist mydir/nul md mydir >> >> Doesn't work on XP (I think?), but that's the typical "DOS" way. > > This kept bothering me for some reason, so I checked now. > > It appears to work just fine on MSW NT command lines, executing the > command after "if not exist dir\nul" if and only if that directory doesn't > exist. In NTVDM, it does work as well (only?) using the COMMAND.COM > supplied with NT; however, with other COMMAND.COMs (including FreeCOM) it > indeed doesn't work: device names (such as NUL and CON) apparently aren't > found.
As far as I remember, the DOS findfirst API is supposed to find character devices (such as NUL) in any (existing) directory, so this would depend more on DOS than on COMMAND, but I am not sure. Eric ------------------------------------------------------------------------------ Achieve unprecedented app performance and reliability What every C/C++ and Fortran developer should know. Learn how Intel has extended the reach of its next-generation tools to help boost performance applications - inlcuding clusters. http://p.sf.net/sfu/intel-dev2devmay _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user