I have tried everything I can think of to get this to work, to no avail so here I am requesting suggestions on how to debug.
Firstly, runnning Ubuntu 11.10
Installed rvm:
$ bash < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer)
Installed readline using apt-get:
$ sudo apt-get install libreadline-dev
Check for readline install:
$ dpkg --get-selections | grep readline
lib64readline-gplv2-dev install
lib64readline5 install
libreadline-dev install
libreadline5 install
libreadline6 install
libreadline6-dev install
readline-common install
Install ruby, with readline support?
$ rvm install 1.9.2 …此问题是间歇性的,但按向上箭头以获取先前输入的命令我将收到错误,例如:
/Users/me/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-2.3.14/lib/active_support/whiny_nil.rb:52:in `method_missing': undefined method `force_encoding' for nil:NilClass (NoMethodError)
from /Users/me/.rvm/gems/ruby-1.9.3-p194/gems/rb-readline-0.4.2/lib/rbreadline.rb:3801:in `_rl_col_width'
from /Users/me/.rvm/gems/ruby-1.9.3-p194/gems/rb-readline-0.4.2/lib/rbreadline.rb:2944:in `update_line'
from /Users/me/.rvm/gems/ruby-1.9.3-p194/gems/rb-readline-0.4.2/lib/rbreadline.rb:3486:in `block in rl_redisplay'
from /Users/me/.rvm/gems/ruby-1.9.3-p194/gems/rb-readline-0.4.2/lib/rbreadline.rb:3481:in `each'
from /Users/me/.rvm/gems/ruby-1.9.3-p194/gems/rb-readline-0.4.2/lib/rbreadline.rb:3481:in `rl_redisplay'
from /Users/me/.rvm/gems/ruby-1.9.3-p194/gems/rb-readline-0.4.2/lib/rbreadline.rb:4618:in `_rl_internal_char_cleanup'
from /Users/me/.rvm/gems/ruby-1.9.3-p194/gems/rb-readline-0.4.2/lib/rbreadline.rb:4679:in `readline_internal_charloop'
from /Users/me/.rvm/gems/ruby-1.9.3-p194/gems/rb-readline-0.4.2/lib/rbreadline.rb:4743:in `readline_internal'
from /Users/me/.rvm/gems/ruby-1.9.3-p194/gems/rb-readline-0.4.2/lib/rbreadline.rb:4765:in `readline'
from /Users/me/.rvm/gems/ruby-1.9.3-p194/gems/rb-readline-0.4.2/lib/readline.rb:40:in `readline'
from /Users/me/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/irb/input-method.rb:115:in `gets'
from /Users/me/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/irb.rb:139:in `block (2 levels) in eval_input'
from /Users/me/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/irb.rb:273:in `signal_status'
from /Users/me/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/irb.rb:138:in `block in eval_input'
from /Users/me/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/irb/ruby-lex.rb:188:in `call'
from /Users/me/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/irb/ruby-lex.rb:188:in `buf_input'
from /Users/me/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/irb/ruby-lex.rb:103:in `getc'
from /Users/me/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/irb/slex.rb:205:in `match_io'
from /Users/me/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/irb/slex.rb:75:in `match'
from /Users/me/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/irb/ruby-lex.rb:286:in `token'
from /Users/me/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/irb/ruby-lex.rb:262:in `lex' …