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Re: /dev/udp|tcp/host/port and symbolic links


From: Andreas Schwab
Subject: Re: /dev/udp|tcp/host/port and symbolic links
Date: Tue, 09 Jul 2002 11:41:36 +0200
User-agent: Gnus/5.090006 (Oort Gnus v0.06) Emacs/21.3.50 (ia64-suse-linux)

address@hidden (Uwe Klein) writes:

|> Hi,
|> 
|> being able to redirect output to /dev/<proto>/<host>/<port>
|> is very usefull ( Thanks for the feature !) 
|> I use this feature together with MultiCast Adresses
|> to send cmds and data to multiple processes on a set of hosts.
|> 
|> usage like this is ok:
|>  
|>      echo hello >/dev/udp/224.1.0.0/7773
|> 
|> But i could not refrain from trying:
|> 
|>      ln -s /dev/udp/224.1.0.0/7773 bclog
|>      echo hello >bclog
|> 
|> this breaks with 
|> 
|>      bash: bclog: Not a directory
|> 
|> I don't realy know at which point the decision
|> is made concerning regular file / some bash special file 
|> but it would be nice having softlinks work seamlessly.

This is not possible.  The file name is interpreted by bash, it does not
exist anywhere outside of bash.

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux AG, Deutschherrnstr. 15-19, D-90429 NĂ¼rnberg
Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."



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