Hello,

#!substdef does not set the value inside quoted string, it replaces inside a string value, so it does not put quotes around replacement part. So it does it it is written in the docs. There is #!substdefs witch can create a define with quoted value.

Note that defines are standalone-token replacement, you can define an ID to a number, to a keyword (e.g., src_ip), to a quoted string or even a multi-line script snippet, like:

#!define IDLOOP $var(i) = 0; \
                while($var(i)<5) { \
                    xlog("++++ $var(i)\n"); \
                    $var(i) = $var(i) + 1; \
                }

See the core cookbook for more details.

Anyhow, as using env variable values as quoted string is useful and setting them with quotes might look odd, I added #!defenvs:

  * https://www.kamailio.org/wiki/cookbooks/devel/core#defenvs

Cheers,
Daniel

Hello all,

 

Looking for some clarification regarding quoting and !#defenv .  I understand that the example below fails because the environmental variable HOME is not quoted, thus when used in the xlog() call it fails.  How is it possible to evaluate and/or use the value of the environmental variable if defined as a preprocessor variable?  Looking at the documentation the reason for this directive is “It is a simplified alternative of using #!substdef with $env(NAME) in the replacement part.” But #!substdef would allow setting the value inside of a quoted string, so does it really meet that requirement?

 

I’m aware that I could use $env(HOME) rather than a preprocessor directive of HOME.  I’m just trying to understand the usage of the #!defenv feature.

 

 

#!KAMAILIO

## Tested in 5.5.2

loadmodule "xlog"

loadmodule "pv"

loadmodule "evrexec"

 

modparam("evrexec", "exec", "name=evrexec:timer;wait=1000;workers=1;")

 

#!defenv HOME

 

request_route{

    forward();

}

 

event_route[evrexec:timer] {

    xlog("L_N", "HOME: " + HOME + "\n");

}

 

 

Ben Kaufman

 

 

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