Your Iframe HTML will probably look something like: 
<iframe name="FRAME1" src="id77.htm" width="730" height="360" framebor
+der="0"></iframe>

[download]
You need to pull out those iframe elements and do another LWP::UserAgent::get on the src attributes. It is a bit like writing a script that reads a webpage and does stuff with the images. However instead of an image you have another round of HTML to parse. I am not sure what you mean by "almost simultaneously".

In reply to Re^3: Parsing Links from .php by SilasTheMonk
in thread Parsing Links from .php by jdetloff

Title:
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