Where is this variable getting or losing the "undef" value? Also, add this line to info and see what gets printed:<div><br></div><div><action application="log" data="WARNING $var contains '${var}'"/></div>
<div><br></div><div>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="^$" always worked for me.</div>
<div><br></div><div>-MC<br><br><div class="gmail_quote">On Mon, Jan 17, 2011 at 3:55 PM, Madovsky <span dir="ltr"><<a href="mailto:infos@madovsky.org">infos@madovsky.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div bgcolor="#ffffff">
<div><font size="2">yes, I can see UNDEF</font></div>
<blockquote style="border-left:#000000 2px solid;padding-left:5px;padding-right:0px;margin-left:5px;margin-right:0px"><div><div></div><div class="h5">
<div style="font:10pt arial">----- Original Message ----- </div>
<div style="font:10pt arial;background:#e4e4e4"><b>From:</b>
<a title="msc@freeswitch.org" href="mailto:msc@freeswitch.org" target="_blank">Michael
Collins</a> </div>
<div style="font:10pt arial"><b>To:</b> <a title="freeswitch-users@lists.freeswitch.org" href="mailto:freeswitch-users@lists.freeswitch.org" target="_blank">FreeSWITCH Users Help</a>
</div>
<div style="font:10pt arial"><b>Sent:</b> Monday, January 17, 2011 2:34
PM</div>
<div style="font:10pt arial"><b>Subject:</b> Re: [Freeswitch-users] empty var
expression</div>
<div><br></div>Is the var showing up as "UNDEF" when you send the call to the
info app?
<div>-MC<br><br>
<div class="gmail_quote">On Fri, Jan 14, 2011 at 12:22 PM, Madovsky <span dir="ltr"><<a href="mailto:infos@madovsky.org" target="_blank">infos@madovsky.org</a>></span> wrote:<br>
<blockquote style="border-left:#ccc 1px solid;margin:0px 0px 0px 0.8ex;padding-left:1ex" class="gmail_quote">
<div bgcolor="#ffffff">
<div><font size="2">I tried this for an var marked as "UNDEF" in
log</font></div>
<div><font size="2"></font> </div>
<div><font size="2"><condition field="${var}" expression="^UNDEF$"
break="never"></font></div>
<div><font size="2"><condition field="${var}" expression="UNDEF"
break="never"></font></div>
<div><font size="2"><condition field="${var}" expression="undef"
break="never"></font></div>
<div><font size="2"><condition field="${var}" expression="^undef$"
break="never"></font></div>
<div><font size="2"><condition field="${var}" expression=""
break="never"></font></div>
<div><font size="2"><condition field="${var}" expression="^$"
break="never"></font></div>
<div><font size="2"><condition field="${var}" expression="[UNDEF]"
break="never"></font></div>
<div><font size="2"><condition field="${var}" expression="[]"
break="never"></font></div>
<div><font size="2"></font> </div>
<div><font size="2">without success.</font></div>
<div><font size="2">which is the right expression for empty var please
?</font></div>
<div><font size="2"></font> </div>
<div><font size="2">Thanks</font></div>
<div><br></div>
<div><font size="2"></font> </div>
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