In 2.5 one could call halrun -sf
which would run the commands in a file (if present)
but would not print the halcmd prompt.

Note the 'if present' if not it would be interactive from the stdin


In master:
-f without a file is an error.
It seems -I was added for interactive without a file.
-Is still prints the halcmd to stdout


So programs like stepconf and pncconf either error if -sf is used
or print prompts if -Is is used.

I wonder if a script expert could fix that in the halrun script.



On another similar topic:
Would it be hard/bad to have halcmd echo the command send from
stdin to stdout with a switch?

In debugging programs like stepconf it would be nice to have it
print the hal commands  to the terminal that the program is sending it.
I guess that would be in halcmd C code...well I'll look to see it I can figure 
it out.

Chris M
                                          
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