Shell commands (vi) from fortran etc.

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>From article <631 at csm9a.UUCP>, by ngorelic at csm9a.UUCP (Noel Gorelick):
>      Anybody have any idea how I can invoke shell commands from
> a fortran and_or C program? Particularly, vi, mv, and chmod.

Use the system(3) call.  You pass a string with the shell command in
it, system(3) forks off a shell which executes the command and returns
when the shell is done.