Basically, yes, though I am going to be doing it all at once (using a technique described in a later answer) - reading in the entire file, and then processing it with:

$fragment =~ s/<foo>\d+<\/foo>/'<foo>' . $i++ . '<\/foo>'/eg;

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Thank you.

In reply to Re^4: sequential substitutions by Anonymous Monk
in thread sequential substitutions by Anonymous Monk

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