Handling array in template

Hi

*I want my result to be like this :*

abc,def

*What I have done (in test.tt template file):*

[% FOREACH var IN vars %]
[%- var -%][%- "," -%]
[% END %]

*I have processed the above test.tt through perl file like this:*

#!/usr/bin/perl
use Template ;
$tt = Template->new();
$file = "test.tt" ;
$vars = {
            vars => ["abc" ,"def"]
            } ;
$tt->process($file,$vars) ;
*As expected, the output is:*
 abc,def,

How can I get the result the way I wanted (without the last comma) ? Help
pls.

Thanks n regards
Rajesh

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