[fpc-pascal]linux question

[Paul Aviles]

Forgive me for asking.. I need to do a few things, one is to run a shell 
script and invoque program "prgA" and pass the result of program A back to 
the shell script.  I guess I can do:

BACK = /sbin/prgA; echo $?
A) is that correct?
B) how does prgA report the output back, using a simple write statement?
Thanks
Paul 

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