From mboxrd@z Thu Jan  1 00:00:00 1970
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From: Steve Quinlan <steven.quinlan@lmco.com>
Subject: Re: Running external programs in ADA.
Date: 1999/02/25
Message-ID: <36D58583.63CD3358@lmco.com>#1/1
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References: <Pine.SOL.4.02A.9902251428030.18391-100000@dcsun2.comp.brad.ac.uk>
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Organization: Lockheed-Martin Air Traffic Management
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Date: 1999-02-25T00:00:00+00:00
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In the simplest case, you would define a function  spec:

function system (cmd : in string) return integer;
and implement it by pragma import (C, system).

Pass the command to be executed in the cmd parameter, adding an "&" if you
don't want to block, (and an ASCII nul always).

To be more correct, use the appropriate types out of interfaces.C(.*) for
int and string. That helps in converting Ada strings to C char arrays.

Check your system to see which shell the system call executes the command
under -- this can make a difference!