27 lines
729 B
JavaScript
27 lines
729 B
JavaScript
export function caesarEncrypt(text, shift) {
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text = text.split("");
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var alphabet = [ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z' ];
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var output = "";
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text.forEach(function(c) {
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if(c == " ") {
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output += " ";
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} else {
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var letter = alphabet.indexOf(c) - shift;
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if(letter < 0) {
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letter = alphabet.length + letter;
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}
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output += alphabet[letter];
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}
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});
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return output;
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}
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/** @param {NS} ns */
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export async function main(ns) {
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var text = ns.args[0];
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var shift = ns.args[1];
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ns.writePort(1, encrypt(text, shift));
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} |