From: Fengfeng Li <lists@...>
Date: 2012-03-29T11:42:56+09:00
Subject: Re: How to process telnet data(binary)

Brian Candler wrote in post #1053836:
> Have you tried setting Binmode option to Net::Telnet?
>
>     # Binmode:: if false (the default), newline substitution is
> performed.
>     #           Outgoing LF is
>     #           converted to CRLF, and incoming CRLF is converted to LF.
> If
>     #           true, this substitution is not performed.  This value
> can
>     #           also be set with the #binmode() method.  The
>     #           outgoing conversion only applies to the #puts() and
> #print()
>     #           methods, not the #write() method.  The precise nature of
>     #           the newline conversion is also affected by the telnet
> options
>     #           SGA and BIN.
>
> However I would say that your proposed way of doing things is very
> fragile, because if nothing else there will be trailing garbage (the
> command prompt) added to your data.
>
> You might want to look at SCP or SFTP for a more robust way of copying
> files from a Linux system.

Thanks for your reply:)
I've already gsub the prompt. I tried Binmode true, the result is it 
will change \n to \r\n, besides, same problem exist. For example, "\xFF" 
is changed into "\xFF\xFF".

I will look into SCP/SFTP and see if there's a better way.

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