# Ruby and irb **URL:** \ **Category:** ruby-talk\ **Created:** [29 October 2007 08:36 UTC](https://rubytalk.org/t/ruby-and-irb/41739 "2007-10-29T08:36:03Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![Paulo\_Carvalho](https://avatars.discourse-cdn.com/v4/letter/p/a698b9/32.png) [@Paulo\_Carvalho](https://rubytalk.org/u/Paulo_Carvalho)\ **Post date:** [29 October 2007 08:36 UTC](https://rubytalk.org/t/ruby-and-irb/41739/1 "2007-10-29T08:36:03Z")
Hello I have a problem with irb console. When i want to write special characters like "@" and "[" or "]" i cant. IRB simply dont let me write this characters. It is like if i was not writing on the beyboard. Any help? thanks > **···** > > -- > Posted via [http://www.ruby-forum.com/](http://www.ruby-forum.com/). ---
**Author:** ![\_Pena\_Botp1](https://avatars.discourse-cdn.com/v4/letter/_/94ad74/32.png) [@\_Pena\_Botp1](https://rubytalk.org/u/_Pena_Botp1)\ **Post date:** [29 October 2007 08:47 UTC](https://rubytalk.org/t/ruby-and-irb/41739/2 "2007-10-29T08:47:23Z")
On Behalf Of Paulo Carvalho: # I have a problem with irb console. # When i want to write special characters like "@" and "[" or # "]" i cant. IRB simply dont let me write this characters. It # is like if i was not writing on the beyboard. i'm assumming you do not have an english keyboard, try   irb --noreadline kind regards -botp ---
**Author:** ![Paulo\_Carvalho](https://avatars.discourse-cdn.com/v4/letter/p/a698b9/32.png) [@Paulo\_Carvalho](https://rubytalk.org/u/Paulo_Carvalho)\ **Post date:** [29 October 2007 09:02 UTC](https://rubytalk.org/t/ruby-and-irb/41739/3 "2007-10-29T09:02:05Z")
Yes you are right. Thank you. Now instead of executing "irb --noreadline" is there a place where i can put the "--noreadline" option to be executed always when irb is called? My problem is that, i am debugging an application with the "breakpoint" instruction. This instruction opens an irb console. So I would like that the irb console to be called automatically with the noreadline option... Do you know how can I make it? thanks Peña, Botp wrote: > **···** > > > On Behalf Of Paulo Carvalho: > > # I have a problem with irb console. > > # When i want to write special characters like "@" and "[" or > > # "]" i cant. IRB simply dont let me write this characters. It > > # is like if i was not writing on the beyboard. > > > > i'm assumming you do not have an english keyboard, > > > > try > > > >   irb --noreadline > > > > kind regards -botp > > -- > Posted via [http://www.ruby-forum.com/\](http://www.ruby-forum.com/%5C). ---
**Author:** ![\_Pena\_Botp1](https://avatars.discourse-cdn.com/v4/letter/_/94ad74/32.png) [@\_Pena\_Botp1](https://rubytalk.org/u/_Pena_Botp1)\ **Post date:** [29 October 2007 09:28 UTC](https://rubytalk.org/t/ruby-and-irb/41739/4 "2007-10-29T09:28:25Z")
# Now instead of executing "irb --noreadline" is there a place # where i can put the "--noreadline" option to be executed always # when irb is called? > **···** > > From: Paulo Carvalho [[mailto:pjcarvalho@gmail.com](mailto:pjcarvalho@gmail.com)] > # > # My problem is that, i am debugging an application with the > # "breakpoint" > # instruction. This instruction opens an irb console. So I > # would like that > # the irb console to be called automatically with the > # noreadline option... > # > # Do you know how can I make it? > > maybe, 2 ways > > 1. modify the irb shellscript (in windows it's a batch file) > > or > > 2. create/modify your .irbrc file > if you have an existing .irbrc file (it's just a ruby file that irb loads by default if it exists), try putting the ff line (pref at the top) of th irbrc script > >    ARGV.concat["--noreadline"] > > the second option is more flexible and recommended, imho > > kind regards -botp ---
**Author:** ![Leonard\_Chin](https://avatars.discourse-cdn.com/v4/letter/l/6bbea6/32.png) [@Leonard\_Chin](https://rubytalk.org/u/Leonard_Chin)\ **Post date:** [29 October 2007 09:34 UTC](https://rubytalk.org/t/ruby-and-irb/41739/5 "2007-10-29T09:34:17Z")
Hi > **···** > > On 10/29/07, Paulo Carvalho \ wrote: > > > Yes you are right. Thank you. > > > > Now instead of executing "irb --noreadline" is there a place where i can > > put the "--noreadline" option to be executed always when irb is called? > > Try putting the following option in your .irbrc file > > IRB.conf[:USE\_READLINE] = nil > > The pickaxe has more: > [http://www.ruby-doc.org/docs/ProgrammingRuby/html/irb.html](http://www.ruby-doc.org/docs/ProgrammingRuby/html/irb.html) ---
**Author:** ![Paulo\_Carvalho](https://avatars.discourse-cdn.com/v4/letter/p/a698b9/32.png) [@Paulo\_Carvalho](https://rubytalk.org/u/Paulo_Carvalho)\ **Post date:** [29 October 2007 10:14 UTC](https://rubytalk.org/t/ruby-and-irb/41739/6 "2007-10-29T10:14:04Z")
Thanks I created the .irbrc file (because i dont have anyone) but it seems that is not used. I am in windows with instant rails. I created the file in the \InstantRails\ruby directory but I think it is not the right place to have it. Am I wrong? regards Peña, Botp wrote: > **···** > > > From: Paulo Carvalho [mailto:pjcarvalho@gmail.com] > > # Now instead of executing "irb --noreadline" is there a place > > # where i can put the "--noreadline" option to be executed always > > # when irb is called? > > # > > # My problem is that, i am debugging an application with the > > # "breakpoint" > > # instruction. This instruction opens an irb console. So I > > # would like that > > # the irb console to be called automatically with the > > # noreadline option... > > # > > # Do you know how can I make it? > > > > maybe, 2 ways > > > > 1. modify the irb shellscript (in windows it's a batch file) > > > > or > > > > 2. create/modify your .irbrc file > > if you have an existing .irbrc file (it's just a ruby file that irb > > loads by default if it exists), try putting the ff line (pref at the > > top) of th irbrc script > > > >    ARGV.concat["--noreadline"] > > > > the second option is more flexible and recommended, imho > > > > kind regards -botp > > -- > Posted via [http://www.ruby-forum.com/\](http://www.ruby-forum.com/%5C). ---
**Author:** ![Paulo\_Carvalho](https://avatars.discourse-cdn.com/v4/letter/p/a698b9/32.png) [@Paulo\_Carvalho](https://rubytalk.org/u/Paulo_Carvalho)\ **Post date:** [29 October 2007 11:08 UTC](https://rubytalk.org/t/ruby-and-irb/41739/7 "2007-10-29T11:08:57Z")
I found the problem. Thanks regards > **···** > > -- > Posted via [http://www.ruby-forum.com/](http://www.ruby-forum.com/).