Changed behaviour in v3.x

[stefan.paetow at diamond.ac.uk]

Hi, 

In my post-auth section, I get the exact date and time in a specific format using /bin/date, and feed that back into an attribute. I've noticed though that now the back-tick exec appends a '\n' (a carriage return) to the end, which it did not do in FR2. Is that now correct (and expected) behaviour?

The code in my post-auth:

update control {
    Tmp-String-1 := `/bin/date -u +%%FT%%TZ`
}          

FR 3 output:

(20)   update control {
(20) Executing: "/bin/date -u +%%FT%%TZ"
(20)    expand: "+%%FT%%TZ" -> '+%FT%TZ'
(20)  Program returned code (0): 2014-01-27T17:20:42Z
(20)             Tmp-String-1 := '2014-01-27T17:20:42Z\n'
(20)    } # update control = noop

FR 2 output:

        expand: +%%FT%%TZ -> +%FT%TZ
Exec-Program output: 2014-01-27T17:35:00Z 
Exec-Program-Wait: plaintext: 2014-01-27T17:35:00Z 
Exec-Program: returned: 0
+++[control] returns noop


When I then re-use the Tmp-String-1 attribute for a reply attribute I'm building, I end up with a CR in the reply attribute, which is then considered invalid (because it contains a CR). If the appended CR is now accepted behaviour, how do I remove it? 

With Regards

Stefan Paetow
Software Engineer
+44 1235 778812
Diamond Light Source Ltd.
Diamond House, Harwell Science and Innovation Campus
Didcot, Oxfordshire, OX11 0DE



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