It may be better to try to use the sage api that Robert Bradshaw wrote but which not many people have explored. Some explanation of it is in the trac patch:
http://trac.sagemath.org/sage_trac/ticket/2346 and some discussion at: http://groups.google.com/group/sage-edu/browse_thread/thread/f2935bb4ddb72dc5/04f9d2d104577fba?lnk=gst&q=api#04f9d2d104577fba Cheers, Marshall Hampton On Jan 13, 9:32 am, Jason Grout <jason-s...@creativetrax.com> wrote: > ben wrote: > > Hello, > > > I'm trying to communicate with sage using PHP. I want it to calculate > > 1+2. I've written this little bash script: > > > #!/bin/bash > > cd /usr/local/sage-3.2.1 > > ./sage -q << END > > 1+2 > > END > > read -p "Press enter to continue" > > > which outputs: > > > sage: 3 > > sage: > > Exiting SAGE (CPU time 0m0.04s, Wall time 0m0.04s). > > Press enter to continue > > > however, when I execute the script from PHP using this: > > > echo exec("cd /home/ben/Desktop && ./test.sh",$out); > > print_r($out); > > > it outputs: > > > ********************************************************************** > > Welcome to IPython. I will try to create a personal configuration > > directory where you can customize many aspects of IPython's > > functionality in: /root/.sage/ipython Initializing from > > configuration /usr/local/sage-3.2.1/local/lib/python2.5/site-packages/ > > IPython/UserConfig Please press to start > > IPython.********************************************************************** > > Press enter to exit: > > > why do I not get the same output as when I execute the script > > directly? is there any way stopping the welcome message being output > > every time? how can I get the answer 3? > > It looks like sage is being run as a different user when you are using > php (as root user!). First, I would be extremely careful when running > Sage this way; there are lots of obvious and subtle security implications. > > That said, you can probably get the configuration messages over with by > just running Sage once as the user in question (again, it looks like root). > > I would highly recommend not running Sage as root (as appears to be done > above) unless you know exactly what you are doing. > > Jason --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
