IRB is not the command line. Use the command line to mkdir.
On Fri, Jun 21, 2013 at 10:56 PM, Oliver David <[email protected]> wrote: > I used the cmd prompt Windows and type IRB to start and get that error. > > On Friday, June 21, 2013 10:49:39 AM UTC-4, Colin Law wrote: > >> On 21 June 2013 14:12, Oliver David <[email protected]> wrote: >> > I'm new to Ruby. I installed Rails on Windows 8. >> > >> > When I type mkdir in IRB, I'm getting this. I tried running the IRB as >> > administrator too, and still get the same result >> > >> > >> > irb(main):001:0> mkdir lesson2 >> > NameError: undefined local variable or method `lesson2' for main:Object >> > from (irb):1 >> > from C:/RailsInstaller/Ruby1.9.3/**bin/irb:12:in `<main>' >> > irb(main):002:0> cd lesson >> >> Those commands (mkdir and cd) are not supposed to be run in irb (which >> is for ruby code), but in a console window. Whether they work in >> Windows anyway I do not know. I strongly advise not to use Windows >> for developing RoR applications, it is much easier in Linux (Ubuntu >> for example) or Mac. >> >> Colin >> >> > >> > -- >> > You received this message because you are subscribed to the Google >> Groups >> > "Ruby on Rails: Talk" group. >> > To unsubscribe from this group and stop receiving emails from it, send >> an >> > email to rubyonrails-ta...@**googlegroups.com. >> > To post to this group, send email to rubyonra...@googlegroups.**com. >> > To view this discussion on the web visit >> > https://groups.google.com/d/**msgid/rubyonrails-talk/** >> eeef5f0a-4225-4f9b-9ac0-**30aafb351ff0%40googlegroups.**com<https://groups.google.com/d/msgid/rubyonrails-talk/eeef5f0a-4225-4f9b-9ac0-30aafb351ff0%40googlegroups.com>. >> >> > >> > For more options, visit >> > https://groups.google.com/**groups/opt_out<https://groups.google.com/groups/opt_out>. >> >> > >> > >> > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/rubyonrails-talk/e0a72d8d-ba65-4aa1-961b-9ec69a79e6c5%40googlegroups.com > . > For more options, visit https://groups.google.com/groups/opt_out. > > > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/CA%2BqZRNkoqkKCoGx%3DCBnabFkm-n_sT2NoSwDAqRxM_-fxR%3D78VQ%40mail.gmail.com. For more options, visit https://groups.google.com/groups/opt_out.
