52 lines
1.3 KiB
JavaScript
52 lines
1.3 KiB
JavaScript
"use strict";
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import fs from 'fs';
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import Terrain50 from 'terrain50';
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import a from '../../Helpers/Ansi.mjs';
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import l from '../../Helpers/Log.mjs';
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import { percentage } from '../../Helpers/MathsHelpers.mjs';
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import { write_safe, end_safe } from '../../Helpers/StreamHelpers.mjs';
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export default async function(settings) {
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// 1: Parse settings
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let stream_in = process.stdin;
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if(settings.cli.input !== "-") {
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l.log(`Reading from ${a.hicol}${settings.cli.input}${a.reset}`);
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stream_in = fs.createReadStream(settings.cli.input);
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}
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else
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l.log(`Reading from stdin`);
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let stream_out = process.stdout;
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if(settings.cli.output !== "-") {
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l.log(`Writing to ${a.hicol}${settings.cli.output}${a.reset}`);
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stream_out = fs.createWriteStream(settings.cli.output);
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}
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else
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l.log(`Writing to stdout`);
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// ------------------------------------------------------------------------
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let result_map = await Terrain50.AnalyseFrequencies(
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Terrain50.ParseStream(stream_in, settings.cli.tolerant ? /\s+/ : " "),
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settings.cli.ignore_nodata,
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settings.cli.quiet
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);
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let result_arr = [];
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for(const [ key, value ] of result_map) {
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result_arr.push([ key, value ]);
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}
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result_arr.sort((a, b) => a[0] - b[0]);
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for(const [ key, value ] of result_arr) {
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await write_safe(stream_out, `${key} ${value}\n`);
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}
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await end_safe(stream_out);
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stream_in.destroy();
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}
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