for android 6 or newer, please check if jandroid had been granted storage permission, otherwise it can't write to its home directory on emulated sdcard or external storage. type jpath'~/' should show the home directory.
On Sat, Mar 3, 2018, 2:25 AM Nick S <[email protected]> wrote: > I have attempted to install the beta on an android phone that had never > before had J installed on it. Then I tried using it and was stymied. I > can't load or save anything. For example, I have an ijs file I want to use > from downloads. Soon as I do the load and then hit ".." To walk the tree J > fails. > > Trying to make a new file, pick default name of 1.ijs and I get "no such > file or directory" when I try to save...but the modified flag is cleared so > it won't save again until I change the file. I believe that the > j64-805-user and possibly ancestors were not created as part of the beta > install. I thought about installing 805 and then 807 again to test this > but could not find a link to the stable install download area on the J > software site. This is using chrome on Android. > > On Feb 26, 2018 16:58, "Eric Iverson" <[email protected]> wrote: > > > J807 beta-a release packages are available. > > > > This release has a new J Engine. The JE includes a rework of noun headers > > and memory allocation. One benefit is that noun headers are now smaller > and > > fit in a single cache line on modern hardware and this should benefit > > overall performance. > > > > But primarily, this is the first step in allowing noun memory to back > each > > other. > > > > Currently the expression > > #each <;._2 fread'~system/main/stdlib.ijs' > > builds a complete noun with its own copy of the relevant data for each of > > the partitions. > > > > In the final 807 release, that expression would just generate a small > noun > > header for each partition that addressed memory in the original > allocation. > > The expression will run faster in less memory. > > > > More examples and discussion as the J807 beta cycle progresses. > > > > J807 will be a significant release. Please help the community by taking > > time for a look, and then stay current as things move along. Early > adopters > > provide valuable feedback, shake out bugs, and contribute to a stable > final > > release. > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
