Dave Page wrote:
> In pgAdmin we use pg_dump's -f option to write backup files. The IO
> streams are redirected to display status and errors etc. in the GUI.
> In order to enhance the interface to allow backup of entire clusters
> as well as role and tablespace definitions, we need to be able to get
> pg_dumpall to write it's output directly to a file in the same way,
> because we cannot redirect the child pg_dump IO streams (which also
> means we may miss errors, but I need to think about that some more).

I don't understand this.  Errors are sent to stderr, and the real output 
is sent to stdout, where you can capture and save it.  What is the 

Peter Eisentraut

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