29 lines
652 B
JavaScript
Executable File
29 lines
652 B
JavaScript
Executable File
#!/usr/bin/env node
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var fs = require('fs');
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var filename = process.argv[2];
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if (!filename) {
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console.log("Please specify a file to process");
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process.exit(1);
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}
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if (!fs.existsSync(filename)) {
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console.log("#{filename} not found.");
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process.exit(2);
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}
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var data = fs.readFileSync(filename, 'utf8');
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var json = JSON.parse(data);
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var quakeData = json.features.map(function(feature) {
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return {
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time: feature.properties.time,
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lat: feature.geometry.coordinates[1],
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lng: feature.geometry.coordinates[0],
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mag: feature.properties.mag
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};
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}).sort(function(a, b) { return a.time - b.time});
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console.log(JSON.stringify(quakeData));
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