32 lines
1 KiB
JavaScript
32 lines
1 KiB
JavaScript
import { createReadStream } from 'fs';
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import { createInterface } from 'node:readline';
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const fileToRead = process.argv[2];
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// https://nodejs.org/api/readline.html#readline_example_read_file_stream_line_by_line
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// TEST LOG LINE
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// The logs are read line by line, and aren't put through the JS parser (aren't parsed as JS source).
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// As such, for testing String.raw is indicated
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const testLine = String.raw `2023-09-28T03:16:24.580872000Z {"log":"52.88.91.78 - - [28/Sep/2023:03:16:23 +0000] \"GET /api/v2/account/details HTTP/1.1\" 200 1006 \"-\" \"go-tfe\"","component":"nginx"}'`
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async function processLineByLine(filename) {
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const fileStream = createReadStream(filename);
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const rl = createInterface({
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input: fileStream,
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crlfDelay: Infinity,
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});
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for await (const line of rl) {
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console.log(JSON.parse(getLineJSON(line).log));
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}
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}
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async function getLineJSON(line) {
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return line.split(/ (?=\{)/)[1];
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}
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// processLineByLine(fileToRead);
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console.log(await getLineJSON(testLine)); |