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ksh Script to Generate Symbolic Links

 
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Old 05-08-2006
ksh Script to Generate Symbolic Links
I'm writing a ksh script which will reference a text file I have to create symbolic links for my application:

--file contents--
Link Directory Link Source Link Name
/users/05/dwisconbug bin link2bin


Now, this should create the following link

link2bin -> /users/05/dwisconbug/bin

Before the script creates the symbolic link "link2bin" it needs to see if the link already exists - I know with brute force i can just delete the current link and recreate it, but I want to make sure the current link is pointing to the right source.

How do I use ksh/Unix commands to:

1) "ls -l link2bin" and awk(?) to grab the "link2bin-> /users/05/dwisconbug/bin"

2) If I set the contents of my file to the variables $link_dir, $link_src, and $link_nm generate what I expect the link to look like

3) somehow diff the results from steps #1 and steps #2 to make sure the existing link matches what I have listed in my file?

Any ideas? Thanks in advance!

PS: as you can imagine I need to get this working by the end of the day - so any help is appreciated!
 
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LEARN ABOUT DEBIAN

www::mechanize::link

WWW::Mechanize::Link(3pm)				User Contributed Perl Documentation				 WWW::Mechanize::Link(3pm)

NAME

       WWW::Mechanize::Link - Link object for WWW::Mechanize

SYNOPSIS

       Link object to encapsulate all the stuff that Mech needs but nobody wants to deal with as an array.

Constructor
   new()
	   my $link = WWW::Mechanize::Link->new( {
	       url  => $url,
	       text => $text,
	       name => $name,
	       tag  => $tag,
	       base => $base,
	       attr => $attr_href,
	   } );

       For compatibility, this older interface is also supported:

	new( $url, $text, $name, $tag, $base, $attr_href )

       Creates and returns a new "WWW::Mechanize::Link" object.

Accessors
   $link->url()
       URL from the link

   $link->text()
       Text of the link

   $link->name()
       NAME attribute from the source tag, if any.

   $link->tag()
       Tag name (one of: "a", "area", "frame", "iframe" or "meta").

   $link->base()
       Base URL to which the links are relative.

   $link->attrs()
       Returns hash ref of all the attributes and attribute values in the tag.

   $link->URI()
       Returns the URL as a URI::URL object.

   $link->url_abs()
       Returns a URI::URL object for the absolute form of the string.

SEE ALSO

       WWW::Mechanize and WWW::Mechanize::Image

COPYRIGHT &; LICENSE
       Copyright 2004-2010 Andy Lester.

       This program is free software; you can redistribute it and/or modify it under the terms of either:

       o   the GNU General Public License as published by the Free Software Foundation; either version 1, or (at your option) any later version,
	   or

       o   the Artistic License version 2.0.

perl v5.14.2							    2011-08-05						 WWW::Mechanize::Link(3pm)