如何在Rake任务中排除命令 [英] How to excute commands within Rake tasks

问题描述

我在我的rails应用程序中有rake任务。我想运行命令行命令与在rake任务。我怎么能这样做。我试过以下但失败

  desc发送通讯给所有用户
 task：sending_mail do 
 runcd＃{RAILS_ROOT}&& ar_sendmail -o -t NewsLetters -v
 systemcd＃{RAILS_ROOT}& ar_sendmail -o -t NewsLetters -v& 
 end 
  

上面的run命令抛出run方法undefined&系统命令不会抛出任何错误，但没有执行。

我想做这个..可以任何请纠正我。如何正确定义运行命令lind命令

解决方案

此链接可能有助于运行命令行命令到ruby ...

http://zhangxh.net/programming/ruby/6-ways-to-run-shell-commands-in-ruby/

从Ruby调用shell命令

http：//blog.jayfields .com / 2006/06 / ruby​​-kernel-system-exec-and-x.html

 ％x [command] .each do | f | 
 value = f 
 end 
  

I have the rake tasks in my rails application. i want to run a commandline commands with in rake task. how can i do this. i tried by the following but fails

desc "Sending the newsletter to all the users"
task :sending_mail do
  run "cd #{RAILS_ROOT} && ar_sendmail -o -t NewsLetters -v"
  system "cd #{RAILS_ROOT} && ar_sendmail -o -t NewsLetters -v &"
end

The above run command throws run method undefined & System command not throwing any errors but not executed.

i want to do this.. can any please correct me on this. how can defined correctly to run command lind commands

解决方案

This links may help you run command line command into ruby ...

http://zhangxh.net/programming/ruby/6-ways-to-run-shell-commands-in-ruby/

Calling shell commands from Ruby

http://blog.jayfields.com/2006/06/ruby-kernel-system-exec-and-x.html

%x[command].each do |f|
  value = f
end

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