Re: Can a script tell if it is being run from inside a script versus in an interactive terminal session?

You might try seeking on STDIN. If its connected to a redirected file, it should succeed; if its a pipe it will fail:

C:\test>perl -E"seek STDIN, 0,0 or die $!" <junk.txt

C:\test>echo junk.txt | perl -E"seek STDIN, 0,0 or die $!"
Invalid seek at -e line 1.
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Put the seek in a die block and check for the error condition.

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