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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| #!/usr/bin/env node | ||
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| const fs = require('fs'); | ||
| const readline = require('readline'); | ||
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| // https://stackoverflow.com/questions/19269545/how-to-get-a-number-of-random-elements-from-an-array/19270021#19270021 | ||
| function getRandom(arr, n) { | ||
| var result = new Array(n), | ||
| len = arr.length, | ||
| taken = new Array(len); | ||
| if (n > len) | ||
| throw new RangeError("getRandom: more elements taken than available"); | ||
| while (n--) { | ||
| var x = Math.floor(Math.random() * len); | ||
| result[n] = arr[x in taken ? taken[x] : x]; | ||
| taken[x] = --len in taken ? taken[len] : len; | ||
| } | ||
| return result; | ||
| } | ||
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| (async () => { | ||
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| // Get images. | ||
| let imageRe = /^image::{china-dictatorship-media-base}\/([^/[]+)/; | ||
| let images = new Set(); | ||
| const fileStream = fs.createReadStream('README.adoc'); | ||
| const rl = readline.createInterface({ | ||
| input: fileStream, | ||
| crlfDelay: Infinity | ||
| }); | ||
| for await (const line of rl) { | ||
| let match = imageRe.exec(line); | ||
| if (match !== null) { | ||
| images.add(match[1]); | ||
| } | ||
| } | ||
| images = Array.from(images); | ||
| if (process.argv.length > 2) { | ||
| images = getRandom(images, parseInt(process.argv[2])); | ||
| } else { | ||
| images.sort(); | ||
| } | ||
| full_images = [] | ||
| for (const image of images) { | ||
| const url = `https://raw.githubusercontent.com/cirosantilli/china-dictatorship-media/master/${image}`; | ||
| full_images.push(image.replace(/[_.]/g, ' ')); | ||
| full_images.push(`<img src="${url}" width="600">`); | ||
| } | ||
| console.log(full_images.join('\n\n')); | ||
| })() |