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Top Forums Programming ftp application using socket programming Post 84410 by blowtorch on Friday 23rd of September 2005 10:47:53 PM
Old 09-23-2005
You can just try to open the file in any case. Suppose you are using the open system call, then opening a file that does not exist will return -1 and the errno variable will be set with "ENOENT". When this happens, you can return an error to the client saying that the file does not exist.
 

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ftp::geturl(3tcl)						    ftp client							 ftp::geturl(3tcl)

__________________________________________________________________________________________________________________________________________________

NAME
ftp::geturl - Uri handler for ftp urls SYNOPSIS
package require Tcl 8.2 package require ftp::geturl ?0.2.1? ::ftp::geturl url _________________________________________________________________ DESCRIPTION
This package provides a command which wraps around the client side of the ftp protocol provided by package ftp to allow the retrieval of urls using the ftp schema. API
::ftp::geturl url This command can be used by the generic command ::uri::geturl (See package uri) to retrieve the contents of ftp urls. Internally it uses the commands of the package ftp to fulfill the request. The contents of a ftp url are defined as follows: file The contents of the specified file itself. directory A listing of the contents of the directory in key value notation where the file name is the key and its attributes the asso- ciated value. link The attributes of the link, including the path it refers to. BUGS, IDEAS, FEEDBACK This document, and the package it describes, will undoubtedly contain bugs and other problems. Please report such in the category ftp of the Tcllib SF Trackers [http://sourceforge.net/tracker/?group_id=12883]. Please also report any ideas for enhancements you may have for either package and/or documentation. SEE ALSO
ftpd, mime, pop3, smtp KEYWORDS
ftp, internet, net, rfc 959 CATEGORY
Networking ftp 0.2.1 ftp::geturl(3tcl)
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