Le 12/03/2012 17:21, tobi a écrit : > On Mon, 12 Mar 2012, Jussi Lahtinen wrote: > >> I was thinking quicker way to read large binary files to memory. >> And I noticed this; "The returned datatype can be one of the following: >> NULL, Boolean, Byte, Short, Integer, Long, Pointer, Single, Float, Date, >> String, Variant, any Array, Collection or structure". >> http://gambasdoc.org/help/lang/read?v3 >> >> So, I wonder whether it is quicker to read data as array, instead of >> looping one (short) integer at time. >> >> But how to do that? Did I misunderstand something? >> >> >> tmpArr = Read hFile As Short[2000] >> >> Doesn't compile (unexpected '[')... or does this work only for data written >> as array, and read as Short[] without given bounds? >> >> >> Jussi > > i once watched the format of files to which arrays/collections were written. > they consist, if i > remember correctly, of an identifier followed by the size and then the data. > if you write an array to a file you can only read that array back, i think. > so it works on datatype base, not on raw memory base if you Read As Datatype. > reading as much as > possible in one call is definitely faster (that is the reason for which the > standard libc streams are > buffered by default). reading raw memory arrays of fixed size may be done > using memory streams...? > do they persist in gambas3? i can't check anything now. > > regards, > tobi >
Arrays have Read() and Write() methods to read/write their contents from/to the disk. Regards, -- Benoît Minisini ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ Gambas-user mailing list Gambas-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gambas-user
