18 Jan
2011
18 Jan
'11
12:46 a.m.
be careful... you shouldn't have anything if the variable doesn't exist but are you using lua or js? /b On Jan 17, 2011, at 6:21 PM, Michael Collins wrote:
Where is this variable getting or losing the "undef" value? Also, add this line to info and see what gets printed:
<action application="log" data="WARNING $var contains '${var}'"/>
That will print it out in purple letters to make it easier to see. FWIW, I tried this with various permutations of 'undefined' channel vars and expression="^$" always worked for me.
-MC