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Editorial Team
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Asked: 2026-06-01T18:25:15+00:00

I have a single file that contains multiple concatenated XML files like so: <?xml

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I have a single file that contains multiple concatenated XML files like so:

<?xml version ... ?>
<!DOCTYPE ... >
...
<?xml version ... ?>
<!DOCTYPE ... >
...
<?xml version ... ?>
<!DOCTYPE ... >
...

Is there any way to parse the file as is, using Nokogiri, as opposed to slicing the file up?

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1 Answer

  1. Editorial Team

    You need to slice it into individual documents, but that is an easy thing to do.

    Ruby’s String.split method makes it easy. For instance if variable foo contains the text, then foo.split("<?xml version ... ?>\n") will return an array you can loop over:

    foo.split("<?xml version ... ?>\n")
[
    [0] "",
    [1] "<!DOCTYPE ... >\n...\n",
    [2] "<!DOCTYPE ... >\n...\n",
    [3] "<!DOCTYPE ... >\n..."
]

    Parse each of those chunks and you’ll be on your way. You might need to prepend the XML DECL statement to make Nokogiri happy, but I think it’ll do OK without it.

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