I had tried that and received errors with the "--" present, but as you
note it works if I remove the "--" on the line.

Thank you for your assistance.

Dave

> Måns Rullgård wrote:  "David H. Durgee via Sox-users" <sox-users@lists.sourceforge.net>
> writes:
>
>> I am working on an application of SoX that I want to include a trim
>> effect but have been unable to figure out the syntax with this case. 
>> The command line (in a shell script) without the trim is:
>>
>> sox "$1" -t wav - -- | aplay
>>
>> I have tried adding trim $offset offset various places and get errors
>> for each, although the errors vary.  What is the appropriate place for
>> me to put trim $offset in this command line?  In case it matters this is
>> SoX v14.4.1 and it is a binary on a platform for which I cannot provide
>> an alternative version.
> The trim effect, like any other, goes after the output file.  In your
> command above, it should be where the "--" is.
>