It may be some other failure (access denied for example). 1!:11 gives more information than fread
This works fine for me: file=:'c:/temp/dummy.txt' t=: 3e9 $ 'a' t fwrite file fread file;2.5e9,100 (1!:11) file;(2.5e9),100 JVERSION Engine: j804/2015-09-19 10:06:31 Library: 8.04.12 Qt IDE: 1.4.6/5.4.2 Platform: Win 64 Installer: J804 install InstallPath: c:/users/joe bogner/j64-804 On Tue, Oct 27, 2015 at 4:05 PM, Devon McCormick <[email protected]> wrote: > I thought that "fread" in 64-bit J handles files > 2 GB without a problem > but I'm having one now. > > Anything special I need to do to read a section of a file past the 2 GB > mark? > > Thanks, > > D. > > -- > > Devon McCormick, CFA > > Quantitative Consultant > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
