Different macros are defined in the phrases.xml file, I want to know if it is possible to implement a condition in the macro to check if the audio file exists and if not, play an alternative one. 
Thanks.

<macro name="greeting">
    <input pattern="(.*)">
        <match>
            <action function="play-file" data="/home/admin/freeswitch/conf/lang/en/ivr/wav/greeting.wav"/>
        </match>
    </input>
</macro>

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Lucas Eduardo Dúcculi
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