Beth Griggs
16 lines
365 B
JavaScript
16 lines
365 B
JavaScript
const fs = require("fs");
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const { Transform } = require("stream");
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const rs = fs.createReadStream("./file.txt");
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const newFile = fs.createWriteStream("./newFile.txt");
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const uppercase = new Transform({
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transform(chunk, encoding, callback) {
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// Data processing
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callback(null, chunk.toString().toUpperCase());
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},
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});
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rs.pipe(uppercase).pipe(newFile);
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