What if the input is not coming from @ARGV but from stdin?
example: 
$ ./testprog -t testing@testing.com -s test5 <<EOT;
> stuff
> typed
> in 
> here
> EOT

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In this case @ARGV is empty but there is still something to read. How would I detect this?

In reply to Re^2: detect input available from command line by mifflin
in thread detect input available from command line by mifflin

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