Stian Soiland-Reyes created JENA-1032:
-----------------------------------------

             Summary: riot --to-file parameter
                 Key: JENA-1032
                 URL: https://issues.apache.org/jira/browse/JENA-1032
             Project: Apache Jena
          Issue Type: Improvement
          Components: RIOT
    Affects Versions: Jena 3.0.0
            Reporter: Stian Soiland-Reyes
            Priority: Minor


The {{riot}} command line does not have an option to specify the output file to 
write to, forcing users to use shell redirections, e.g. 

{code}
riot file.ttl > file.nt
{code}

This comes up as an issue for the Docker image 
https://hub.docker.com/r/stain/jena/ - as you can't (easily) do {{> file.txt}} 
as arguments to docker run to do redirections within the Docker container. 

Lacking an output file parameter also makes it harder to call riot from other 
programming languages, e.g. called from a Python script.

The problem is that the {{--output}} parameter (and --out) is already used to 
specify the output FORMAT rather than the output FILE. Perhaps --to-file ? 

Suggested use:

{code}
riot --output jsonld --to-file /tmp/output.jsonld /tmp/input.ttl
{code}




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