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38 lines
946 B
JavaScript
38 lines
946 B
JavaScript
4 years ago
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const fs = require("fs");
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exports.readInput = function (filename = "input") {
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const input = fs.readFileSync(filename, "utf-8").trim();
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const lines = input.split("\n");
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let colLength = lines[0].length;
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let colConsistentcy = true;
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for (const line of lines) {
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if (colLength != line.length) {
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colConsistentcy = false;
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}
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}
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const avgLength = sum(lines.map((l) => l.length)) / lines.length;
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console.log("Number of lines:", lines.length);
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console.log("Col-length is consistent:", colConsistentcy);
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console.log("Average col-length", avgLength);
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console.log("Sample:");
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for (const line of lines.slice(0, 5)) {
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console.log(line);
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}
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console.log("...");
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for (const line of lines.slice(lines.length - 5, lines.length)) {
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console.log(line);
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}
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console.log("=".repeat(process.stdout.columns));
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return {
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raw: input,
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lines: lines,
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};
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};
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const sum = (arr) => arr.reduce((a, b) => a + b, 0);
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