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Handling Errors in Shell Script Actions



Hello,

I am developing some Automator actions that are of the Shell script type using Python. Getting the data in and out is straightforward (via stdin/out) and user settings in the UI are transmitted via environment variables. But there doesn't seem to be a good way to do error handling in Shell based actions.
Even the Automator programming guide doesn't say much.


Are there any suggestions or Apple recommended practices for this?


Thanks,

Tim Mowlem
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