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Think about Loose Coupling

Get a structured tally of XML tags

by graff (Chancellor)
on Apr 24, 2009 at 01:42 UTC ( #759715=snippet: print w/replies, xml ) Need Help??
Description: Get a quick snapshot of the quantity and structure of elements in an XML file -- useful for getting acquainted with some new XML source, or for confirming expectations about XML data you created. (Yes, it is worthwhile to use XML::Parser in a one-liner...)
perl -MXML::Parser -le '$p=XML::Parser->new(
 END{print "$h{$_}\t$_" for (sort keys %h)}'   some_file.xml

(Line-breaks added for legibility; the first time I did this, it really was all on one line -- honest!)

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[hippo]: Make it an option?
[Corion]: hippo: Yes, but I'm not sure that it's even worth the effort of implementing it at all...
[Corion]: You'll only ever need that option if you have a long-running query whose results are not cached by your DB already, and in those cases I presume that the programmer will want to maintain the temporary tables themselves - I wouldn't know when to drop ...
[Corion]: ... the temporary tables, and also don't have a good idea on how to create unique table names for them
[hippo]: OIC. In that case leave it out but invite feature requests and see if any of the users suggest it. :-)
[Corion]: Talking about this makes me realize that it's likely only a half useful idea. But it still would be convenient to have as an option...
[Corion]: hippo: Hmmm - yeah, I could document it and wait for code implementing that option to show up ;-D

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