On Tue, Mar 08, 2005 at 08:16:16PM -0600, Steve Swantz wrote:
> I'm sure this will be easy for someone, but I'm not finding it now...
>
> I have a perl program that normally runs by cron, but occasionally
> manually. I want to handle the output differently depending on how it
> is run. Yes, I could add a flag to the arguments, but I seem to
> remember there being a more fundamental way to determine at runtime.
> Anyone know?
man 3 isatty
From perl, you can use the -t test. Depending what you need,
you can test STDIN or STDOUT.
---cut here---cut here---cut here---cut here
#!/usr/bin/perl -w
use strict;
if (-t STDOUT)
{
print STDERR "interactive\n";
}
else
{
print STDERR "non-interactive\n";
}
exit 0;
---cut here---cut here---cut here---cut here
Cheers,
florin
--
Don't question authority: they don't know either!
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