Subj : Re: help with bash prog and links
To   : comp.os.linux
From : JV
Date : Fri Sep 10 2004 03:55 am


"Vilmos Soti" <vilmos@vilmos.org> wrote in message
news:87d60vjdkv.fsf@localhost.localdomain...
> What do you try to accomplish?

I'm trying to create a toggle that will change a link's target.

> What is targ1? And what is ./lnk's relationship to targ1?
> Also, what does softlink() do? It returns true if the argument is a
symlink?

targ1 = the first target
targ2 = the other target

> Are you trying to do something that ./lnk points to one target,
> and you want to point it to the another one? Like a a toggle?

yes

> Anyways, to read the target of a symlink, use the "readlink" program.

k thats what i needed

> Here is a code (not tested) what might do what you want.
<snip>
> Vilmos
k the code gave me the right idea to use thnx heres the finish code

#!/bin/bash

[ ! -L lnk ] && return
if [ $(readlink lnk) == "./targ1/" ]; then
    rm lnk;
    ln -s ./targ1/ lnk;
    echo "DONE!!!";
    echo "LNK => targ1/";
elif [ $(readlink lnk) == "./targ2/" ]; then
    rm lnk;
    ln -s ./targ2/ lnk;
    echo "DONE!!!"
    echo "LNK => targ2/";
fi

Thanx for the help
JV

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