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Full Discussion: ksh Script to Generate Symbolic Links
Top Forums Shell Programming and Scripting ksh Script to Generate Symbolic Links Post 302072906 by dwisconbug on Monday 8th of May 2006 06:37:51 PM
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

suspend

suspend(1)                                                         User Commands                                                        suspend(1)

NAME

       suspend - shell built-in function to halt the current shell

SYNOPSIS

   sh
       suspend

   csh
       suspend

   ksh
       suspend

DESCRIPTION

   sh
       Stops the execution of the current shell (but not if it is the login shell).

   csh
       Stop the shell in its tracks, much as if it had been sent a stop signal with ^Z. This is most often used to stop shells started by su.

   ksh
       Stops the execution of the current shell (but not if it is the login shell).

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+

SEE ALSO

       csh(1), kill(1), ksh(1), sh(1), su(1M), attributes(5)

SunOS 5.10                                                          15 Apr 1994                                                         suspend(1)
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