You might also want to see whether the message was actually printed to STDOUT or STDERR. It might be a message printed to STDERR by some program you run using `backticks`. Redirect the STDOUT and STDERR of the script to two different files and see in which does it end up.

And if the number changes whenever the $web_link changes, then it's probably printed by something that uses that parameter. It might for example be the size of the document on that address and be printed by the `rcp ...`.