You can check whether *STDIN is a tty: 

print -t *STDIN ?
    "Wow! A real person!\n" :
    "<p>I feel a distant presence . . .</p>";

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After Compline,
Zaxo

In reply to Re: Telling if your script is running from web page or CLI by Zaxo
in thread Telling if your script is running from web page or CLI by dizzyg

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