What does this step show on the CLI ?
exten = 1,1,SetVar(FOO=123**)
exten = 1,2,SetVar(CHECK=${FOO:-1:1})
? If you're going to see CHECK=* then there is a bug in = operator ...
Martin
On Fri, 5 Sep 2003, John Todd wrote:
I am having Yet Another Regular Expression problem, but this one
might not be my fault, or at least it might not be obviously my
fault. :-)
exten = 2212,1,SetVar(FOO=123456**)
exten = 2212,2,SetVar(BAR=$[${FOO:-1:1} = *])
This script continues with a value of 0 in BAR.
Similarly, none of the following changes made a difference in that
result, which is expected since the * is not listed in
README.variables as a character that must be escaped:
exten = 2212,2,SetVar(BAR=$[${FOO:-1:1} = *])
exten = 2212,2,SetVar(BAR=$[${FOO:-1:1} = \*])
exten = 2212,2,SetVar(BAR=$[${FOO:-1:1} = \*])
I have also tried setting the variable ${BAZ}=* and then using that
in my comparison, with the same unexpected results.
Oddly enough, this almost-identical example below has different, but
normal, results: BAR=1
exten = 2212,1,SetVar(FOO=123456##)
exten = 2212,2,SetVar(BAR=$[${FOO:-1:1} = #])
What gives? Am I colliding with a problem that is the result of the
* character being used in expr evaluations and somehow not being
handled correctly, or am I simply not implementing the syntax
correctly?
JT
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