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Here's a Haskell version that uses a single loop to do the normalizing, and has a main that doesn't use do syntax. This was mostly a nice little brainteaser: https://gist.github.com/1367709 mapNormalize takes a function, and produces a function that runs that function with the normalized input. It runs in a single iteration, rather than 2 maps. Credit to `dylex` for much hand holding on a single iteration normalizer…
Because Haskell is evaluated lazily, two maps doesn't imply two iterations over the data. In this case, I would expect only one pass through the data for both of the maps. Out of curiosity, I did a quick criterion benchmark for both functions. Here's the result on a list of 100 elements: benchmarking spark_mggcl mean: 49.29483 us, lb 48.77776 us, ub 50.25594 us, ci 0.950 std dev: 3.495423 us, lb 2.140951 us, ub 6.373…
In terms of do syntax, I try and avoid that because I find it detracts from the overall flow of data. With: "putStrLn . spark . map read =<< getArgs" I find it easy to see that main doesn't do much other than transform the users input. maybe a personal preference thing though...
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This is a totally fair complaint. Sometimes it is a mystery to me why HN-ers downvote things.
In all seriousness: some folks on HN (not all) seem to be the guard in the center of the panopticon. If you could see a list of who downvoted you, I'd bet that something interesting would happen. I almost expect to come back and see my karma drop as a result of this comment.
http://git.zx2c4.com/spark/tree/spark.c
$ git clone http://git.zx2c4.com/spark
$ cd spark
$ make
$ ./spark 1 4 2 8 14
▂▃▂▅█
$ curl -s http://earthquake.usgs.gov/earthquakes/catalogs/eqs1day-M1.txt | cut -d, -f9 | ./spark
▂▃▄▃▃▃▄▃▇▃▄▄▄▅▃▄▄▄▅▅▅▄▄▄▃▃▃▃▃▄▃▄█▅▄▄▄▄▃▇▄▄▄█▄▃▄▄▄▄▃▃▄▅▄▅▃▃▃▃▇▄▅▄▇▃▅▃▄▃▄▃▇▃▃▄▇▃▄▃▄▃▃▃▄▃▃▃▃▃▃▅▃▄▃▃Because I want my shell prompt to be a giant graph. ▁▁▁▁▅▁▇▁▁▅▁▁▁▁▁▂▂▁▃▃▁▁▃▁▃▁▂▁▁▂▂▅▂▃▂▃▃▁▆▃▃▃▁▇▁▁▂▂▂▇▅▁▂▂▁▇▁▃▁▇▁▂▁▇▁▁▆▂▁▇▁▂▁▁▂▅▁▂▁▆▇▇▂▁▂▁▁▁▂▂▁▅▁▂▁▁▃▁▃▁▁▁▃▂▂▂▁▁▅▂▁▁▁▁▂▂▁▁▁▂▂$ Ship it.
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This also doesn't meet the high resolution part of Tufte's definition ("a small intense, simple, word-sized graphic with typographic resolution"[1]). [1]: http://www.edwardtufte.com/bboard/q-and-a-fetch-msg?msg_id=0...
They're comparatively higher density...
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They're comparatively higher density...
This gives you eight levels (plus blank)[1]. Most of the type I read is at least twice that many pixels high. [1]: https://github.com/holman/spark/blob/master/spark#L46
But in either case, it's obvious that's a silly argument. Trends posterized to 8 levels are far easier to read in "sparkbar" form than as a list of numbers. It's suboptimal, but better than the plain list.
Ah, as inspired by Edward ttyfte.
That ^ is why HN needs a LOL button :) http://img819.imageshack.us/img819/264/hnlol.png (edit) Ah, the downvoting frenzy! 4601 karma points to go. Bring it on, fellow HNers. Don't forget to quote the guidelines and to lecture me too as no bashing is complete without showing some smug superiority with a hint of righteousness.
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NetBSD seriously doesn't put bash in /bin? That's just broken by design.
I can't speak to NetBSD, but FreeBSD doesn't put any user-installed programs in /bin or /usr/bin, they all go into /usr/local. Since bash isn't distributed as part of the base system, it goes into /usr/local/bin/bash
Broken! Can we please just pick one convention and stick with it? Oh, standards... so many to choose from.