Re: Detect if stdin is via keyboard or via < file?

srbstar@xxxxxxxxxxxxx wrote:

> Can a program detect if it's stdin is
> coming from keyboard input vs. being
> redirected from a file?
>
> If it's from a file, I want to fputs()
> the text. But if it's from the keyboard,
> I won't (don't want it typed, then
> fputs()'d.

I found the most straightforward tactic in a similar situation
(whether to issue a prompt or not, for an interactive interpreter)
to be a command-line flag. The program no longer needs to be able
to answer the question.

--
Chris "electric hedgehog" Dollin
Almost all predictions about life in 2015 are wrong in some fundamental
respect.
.

Relevant Pages

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