[SR-Users] Modifying $pU

[Alex Balashov]

On 09/21/2010 04:47 PM, dotnetdub wrote:

> I also looked at using re.subst on $pU but can't get it to work.
>
> What is the best way to achieve what I'm trying to do?

I would extract a substring based on length.  Intermediate (first) 
variable 'pu_len' is required because transformations cannot be nested:

    $var(pu_len) = $(pU{s.len}) - 1;
    $var(new_pi) = $(pU{s.substr,1,$var(pu_len)});
    append_hf("Remote-Party_ID: ...$var(new_pi)...");

-- 
Alex Balashov - Principal
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