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    <p>You probably <em>could</em> hack something together in a batch file that works <em>somehow</em>. But it will be extraordinarily painful. First of all, I know of no way of reliably reading lines into variables in a batch file and writing them back to a file unaltered. You can escape most of the problematic characters (such as <code>&lt;</code>, <code>&gt;</code>, <code>&amp;</code>, <code>|</code>, ...) but there still are problems I couldn't solve<sup>1</sup> (such as unmatched quotation marks) that will cause such attempts to fail horribly. Then you still wouldn't be able to parse XML but you'd rather to primitive text processing which may easily fail as soon as maybe single quotes are used instead of double quotes. Or an extra space is thrown in somewhere. Or the line you're looking for is split into several lines. All valid XML but painful to parse when no XML parser is around.</p> <p>The batch file language isn't really suited for such tasks. Heck, it barely works for text processing but XML is way beyond. You may have more luck (and fun) with using VBScript and MSXML or even PowerShell (if applicable).</p> <p>VBScript is probably the most sane choice here as you can rely on it existing on virtually any modern Windows machine.</p> <p>You could also use XSLT and call that from the command-line. There are enough XSLT processors out there that can be used and generating an XSLT file is actually much simpler (but will still require several escapings).</p> <hr> <p><sup>1</sup> Note that I may be an advanced batch file user/programmer but by no means authoritative. Maybe it's easily possible and I'm just too stupid to see it.</p>
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    1. COYou're right, it's not possible with standard windows batch commands.
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    2. COits possible. just that you will need more time and effort
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    3. COWell, the quoting/escaping issue currently has no solution for me. I cannot read a line such as `a|b"<>&` and write it to a file unaltered. Unmatched quotes will cause the usual escaping mechanisms to fail (`set "foo=%foo:&=^&%"`).
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