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I've been a Perl programmer and regular expression user for over a decade. It didn't take long and if you use them regularly, it's second nature. I agree, I could have used a JSON parser, but the source was well-structured and sed seemed easier. PostgreSQL can import JSON, but I haven't had a good experience with it so far.

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You put together a really awesome project! Kudos on that and for sharing it first and foremost!! I speak regex pretty fluently, and I may very well have reached for sed/perl -ne there as well, depending on mood. I guess it just struck me as odd to use a parser for XML but not JSON. Anyhow, off on a tangent, I recently learned about a program called xgrep that lets you pull elements out of XML using xpath or pcre (althought pcre support was kind of spotty for me)--it's neat for one-offs like this and pipeline building while playing with rest apis and such!

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