On Friday 03 March 2006 14:09, Mitchell Turner wrote: > The CSD file I use with standard Csound5 for OSX does not have a > block. I am unsure if you can pass flags using the > block with Csound5. Can anyone tell me if you can? Yes, you can. There is no difference between CsoundX and standard command line Csound 5 in this respect. What you should probably avoid is the MacCsound (version 4.xx) specific and tags.