Misha Mistral wrote: > Hi everyone. > > I have a problem with this command: > > @arp_table = `arp -n` > > When I execute it on console, all is perfect, Are you passing arp any other arguments? On OS X, arp -n just prints a help message to stderr.
> but when I put it in the > script on Rails the string arp_table is empty and I don't view any > result. > > If I do a script like that: > > @list = `ls -l` > > all works perfectly. > > Where is the mistake ? > If arp -n may be printing to stderr, rather than stdout. Try: @arp_table = `arp -n 2>&1` --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
