From: "Erik Ahlström" <eah.yhld@...>
Date: 2008-08-31T01:37:38+09:00
Subject: Re: Simple, simple socket question

Hi,

Change your singel quotes to double quotes.
With singel quotes \n won't be understandable as an carrige-return,
just as a backslash \ and an "n" n.


/erik


Will Dresh wrote:
> Hello all,
> 
> I am very sorry if this has already been asked and answered; I have,
> however, searched to the best of my ability and cannot seem to come up
> with anything.
> 
> I am merely a beginner with real programming languages, however I am
> very experienced with higher-level scripting languages, and have worked
> extensively with sockets in mIRCscript.
> 
> Here is my attempt at my very first Ruby socket program:
> 
> require 'socket'
> 
> mySock = TCPSocket::new('www.google.com', 80)
> mySock.write('GET / HTTP/1.1\n')
> mySock.write('Host: www.google.com\n')
> mySock.write('\n')
> 
> data = mySock.recv(128)
> mySock.close
> puts data
> 
> I would expect for this program to output the first 128 bytes of
> Google's HTML headers and code.
> When this program is run, it simply hangs on the console window and does
> not appear to do, well, anything.  Even if I replace puts data with puts
> 'hi', the program still yields no result.  Why?  What is needed to make
> this code work as expected?
> Also, in reading many different Ruby socket tutorials, I am unable to
> distinguish between two socket-related methods that I've encountered:
> send and write.  I've attempted using both.  In every tutorial I've
> encountered, the send method is called with only one String parameter
> (just like my calls to write in the above code), however when I try to
> emulate this, Ruby tells me that send requires two parameters, the
> second of which must be an Integer.  So, my questions here are, what
> does this Integer parameter represent, and why is it needed?  And, what
> exactly is the difference between the write and send methods?
> 
> Thank you so much for your time,
> -Will

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