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Ruby升级后no such file to load -- readline解决办法

2020-10-29 19:40:26
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升级ruby和rails后进入script/consle出现:

复制代码 代码如下:

/usr/local/lib/ruby/1.8/irb/completion.rb:10:in `require': no such file to load -- readline (LoadError) 
        from /usr/local/lib/ruby/1.8/irb/completion.rb:10 
        from /usr/local/lib/ruby/1.8/irb/init.rb:252:in `require' 
        from /usr/local/lib/ruby/1.8/irb/init.rb:252:in `load_modules' 
        from /usr/local/lib/ruby/1.8/irb/init.rb:250:in `each' 
        from /usr/local/lib/ruby/1.8/irb/init.rb:250:in `load_modules' 
        from /usr/local/lib/ruby/1.8/irb/init.rb:21:in `setup' 
        from /usr/local/lib/ruby/1.8/irb.rb:54:in `start' 
        from /usr/local/bin/irb:13 

解决办法:

第一步:确认是否安装了libncurses5-dev libreadline5-dev ,如果没有安装,就用 

复制代码 代码如下:

   sudo apt-get install libncurses5-dev libreadline5-dev 进行安装 

第二步: 
复制代码 代码如下:

cd /usr/src/ruby-1.8.7/ext/readline 
ruby extconf.rb 
make 
sudo make install  

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