45 lines
1.1 KiB
JavaScript
45 lines
1.1 KiB
JavaScript
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// diff the two csv files, and perform a left subtract and right subtract.
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const fsp = require('fs/promises')
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async function main(){
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const file1 = 'success.txt';
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const file2String = `mime-types
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http-errors
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source-map-support
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compressible
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global-modules
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thenify
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mz
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memory-fs
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pinkie-promise
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pretty-error
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renderkid
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hpack.js
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wbuf
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expand-tilde
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homedir-polyfill
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basic-auth
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for-own
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is-unc-path
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recursive-readdir
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path-root
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cookies
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bufferutil
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utf-8-validate
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easy-table
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is-dotfile`;
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const file1String = await fsp.readFile(file1, 'utf8');
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const f1Elements = file1String.split('\n').filter(Boolean);
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const f2Elements = file2String.split('\n').filter(Boolean);
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const leftSubtract = f1Elements.filter(x => !f2Elements.includes(x));
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// const rightSubtract = f2Elements.filter(x => !f1Elements.includes(x));
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console.log('Left Subtract:f1, not in f2');
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const leftSubtractString = leftSubtract.join('\n')
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await fsp.writeFile('left_subtract.txt', leftSubtractString, 'utf8');
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// console.log('Right Subtract: done, but not in main list', rightSubtract);
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}
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main().catch(err => {
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console.error('Error:', err);
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});
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