There are two "modes" in jmf: (monad) one arbitrary J noun per file - has header (dyad) matrix of arbitrary primitive types - no header, pure values
Read again the lab: http://www.jsoftware.com/jwiki/Studio/Mapped_Files --- Jack Andrews <[EMAIL PROTECTED]> wrote: > hi, > > is it worth my while reverse engineering > the jmf format? it feels like i should... > for example, if i've got a large number of > integers -- can't i just write them out and > have j map the file straight into a noun? > > for(i=0;i<N;i++) > fwrite(a+i;sizeof(long),1,f); > > what's the overhead in parsing such a file > (compared to J <-> J jmf)? > > ta, jack > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
