Simoha Simoha wrote:
> PHP has 'fsockopen'-function to create a socket connection. With what
> function I can create this connection in ROR?

FYI: Rails is a web framework. Ruby is a programming language.

If you want to open a TCP connection in Ruby, start with the TCPSocket 
class.

http://www.ruby-doc.org/docs/ProgrammingRuby/html/lib_network.html
http://ruby-doc.org/core/classes/TCPSocket.html

There are also lower-level socket classes which can be used in special 
cases.
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