git ssb - Add BTC ticker example · cel/pngspark@f559ec81

Charles Lehner committed on 2/10/2015, 4:56:12 PM
Parent: a173b5bb973163057882542a5e621ed8007f37d4

changed

README.mdView
		@@ -10,15 +10,24 @@
10	10 …	## Usage
11	11 …	```
12	12 …	pngspark [-h height] [-c color] [-s scaling] output.png
13	13 …	```
	14 …	+Pipe numbers to pngspark to add them to the image.
14	15 …
15	16 …	### Options
16	17 …	* `-h height`: the height of the image in pixels
17	18 …	* `-c color`: the color of the foreground, as #rrggbb hex
18	19 …	* `-s scaling`: scaling factor. 0 to do no scaling, 1 to make the minimum
19	20 …	value be at the bottom of the image
20	21 …
	22 …	+## Examples
	23 …	+
	24 …	+Display BTC ticker data
	25 …	+```sh
	26 …	+curl -s https://api.bitcoinaverage.com/history/USD/per_minute_24h_sliding_window.csv \| sed 1d \| cut -d, -f2 \| ./pngspark -o btc.png -s 0.995 -h 80 -c 0066cc
	27 …	+```
WritePreview
	28 …	+![btc](https://cloud.githubusercontent.com/assets/95347/6131571/ed7005c2-b11a-11e4-837c-58b07cd5a9c3.png)
	29 …	+
21	30 …	## API
22	31 …
23	32 …	```c
24	33 …	struct pngspark;

cel / pngspark