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rle.ts
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rle.ts
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import fs from "fs";
import { parse } from 'ts-command-line-args';
import path from "path";
import { encode } from "./encode_decode";
import { decode } from "./encode_decode";
function openFile(fileName: string): string {
return fs.readFileSync('./'+fileName,'utf-8')
}
interface ICopyFilesArguments {
file: string;
mode: string;
help?: boolean;
}
const args = parse<ICopyFilesArguments>(
{
file: { type: String, alias: 'f', description: 'The file\'s name with extension' },
mode: { type: String, alias: 'm', description: 'Choose the encoder or decoder mode (d/e)' },
help: { type: Boolean, optional: true, alias: 'h', description: 'Prints this usage guide' },
},
{
helpArg: 'help',
headerContentSections: [{ header: 'RLE (Run-Length Encoder/Decoder)', content: 'A standard RLE encoder/decoder' }],
footerContentSections: [{ header: 'Applaudo Studios', content: `Copyright: Silvio Aguilar` }],
},
);
const file = openFile(args.file)
const fileName = path.parse(args.file).name;
if (args.mode === 'e') {
console.log(encode(file))
fs.writeFile(fileName+'_encoded.txt', encode(file), (err) => {
if (err)
console.log(err);
});
} else if (args.mode === 'd') {
console.log(decode(file))
fs.writeFile(fileName+'_decoded.txt', decode(file), (err) => {
if (err)
console.log(err);
});
}