From: Jano Svitok Date: 2009-08-31T20:30:34+09:00 Subject: Re: I cannot call ruby from the Windows console On Mon, Aug 31, 2009 at 13:10, Salvador Sanjuan wrote: > I have just installed Ruby 1.86.27 on Windows. I can access ruby from > the Windows start up menu, and it opens a console with ruby. > > But I cannot enter the Windows console and write irb this is what > happens: > > Microsoft Windows XP [Versión 5.1.2600] > (C) Copyright 1985-2001 Microsoft Corp. > > C:\Documents and Settings\SSanjuan>irb > "irb" no se reconoce como un comando interno o externo, > programa o archivo por lotes ejecutable. > > ( irb is not recognized as a internal or external command, a program or > .bat file > > C:\Documents and Settings\SSanjuan> > > I have used the standar ruby one click installation from > http://www.ruby-lang.org Check your PATH. C:\Documents and Settings\SSanjuan> echo %PATH% It should contain c:\ruby\bin If it doesn't, open My Computer | Properties | Advanced | Environment Variables and add the path to irb.bat to PATH variable (separate entries with ";"). Reopen your console window. Alternatively call your irb as c:\ruby\bin\irb