Hi

I have a situation where I've concatenated a few thousand xml files together and I need to remove the <root> tags from between the parts, so that the new file is well-formed xml.

. I'm using this sort of approach:

perl -pi.bak -e 's/</root>\s*<\?xml.*?>\s*<root>//sig' file.xml

However, that does not work because each of those three xml tags above is on a different line in the file. It occurred to me that the /s flag isn't doing its thing because the file is being read one line at a time.

Naturally, my next thought was to undef $/ , but this file is too big to live entirely in memory. Anyone got any ideas about how to remove these repeating chunks from my file:

</root>
<?xml version="1.0" encoding="UTF-8"?>
<root>

Thanks,
Monk

In reply to Replacing Lines in 100 Gig file by Anonymous Monk

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