我正在学习 Zed Shaw 的《艰难学习 Ruby》练习 25
http://ruby.learncodethehardway.org/ex25.html
当我导航到保存 ruby 文件 ex25.rb 的目录并启动 IRB 时,出现以下错误:
Larson-2:~ larson$ cd Ruby
Larson-2:Ruby larson$ ls
ex25.rb
Larson-2:Ruby larson$ irb
ruby-1.9.2-p290 :001 > require 'ex25'
LoadError: no such file to load -- ex25
from /Users/larson/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /Users/larson/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from (irb):1
from /Users/larson/.rvm/rubies/ruby-1.9.2-p290/bin/irb:16:in `<main>'
ruby-1.9.2-p290 :002 >
看来 require 命令在这里不起作用。我有什么遗漏的吗?
我还按照建议尝试了 require './25' 并收到以下错误:
Larson-2:Ruby larson$ irb
ruby-1.9.2-p290 :001 > require './ex25'
SyntaxError: /Users/larson/Ruby/ex25.rb:1: invalid multibyte char (US-ASCII)
from /Users/larson/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /Users/larson/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from (irb):1
from /Users/larson/.rvm/rubies/ruby-1.9.2-p290/bin/irb:16:in `<main>'
这是因为工作目录不再位于 Ruby 路径中在 Ruby 1.9.2 中。这确实有效:
require './ex25'
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