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#!/usr/bin/env node
import { readFileSync, writeFileSync, existsSync } from 'fs';
import { join, dirname, basename } from 'path';
/**
* Clean a BibTeX file by removing local file references and paths
* @param {string} inputBibFile - Path to the input .bib file
* @param {string} outputBibFile - Path to the output cleaned .bib file
* @returns {boolean} - Success status
*/
export function cleanBibliography(inputBibFile, outputBibFile) {
if (!existsSync(inputBibFile)) {
console.log(' ⚠️ No bibliography file found:', inputBibFile);
return false;
}
console.log('📚 Cleaning bibliography...');
let bibContent = readFileSync(inputBibFile, 'utf8');
// Remove file paths and local references
bibContent = bibContent.replace(/file = \{[^}]+\}/g, '');
// Remove empty lines created by file removal
bibContent = bibContent.replace(/,\s*\n\s*\n/g, '\n\n');
bibContent = bibContent.replace(/,\s*\}/g, '\n}');
// Clean up double commas
bibContent = bibContent.replace(/,,/g, ',');
// Remove trailing commas before closing braces
bibContent = bibContent.replace(/,(\s*\n\s*)\}/g, '$1}');
writeFileSync(outputBibFile, bibContent);
console.log(` 📄 Clean bibliography saved: ${outputBibFile}`);
return true;
}
/**
* CLI for bibliography cleaning
*/
function main() {
const args = process.argv.slice(2);
if (args.includes('--help') || args.includes('-h')) {
console.log(`
📚 BibTeX Bibliography Cleaner
Usage:
node bib-cleaner.mjs [input.bib] [output.bib]
node bib-cleaner.mjs --input=input.bib --output=output.bib
Options:
--input=FILE Input .bib file
--output=FILE Output cleaned .bib file
--help, -h Show this help
Examples:
# Clean main.bib to clean.bib
node bib-cleaner.mjs main.bib clean.bib
# Using flags
node bib-cleaner.mjs --input=references.bib --output=clean-refs.bib
`);
process.exit(0);
}
let inputFile, outputFile;
// Parse command line arguments
if (args.length >= 2 && !args[0].startsWith('--')) {
// Positional arguments
inputFile = args[0];
outputFile = args[1];
} else {
// Named arguments
for (const arg of args) {
if (arg.startsWith('--input=')) {
inputFile = arg.split('=')[1];
} else if (arg.startsWith('--output=')) {
outputFile = arg.split('=')[1];
}
}
}
if (!inputFile || !outputFile) {
console.error('❌ Both input and output files are required');
console.log('Use --help for usage information');
process.exit(1);
}
const success = cleanBibliography(inputFile, outputFile);
if (success) {
console.log('🎉 Bibliography cleaning completed!');
} else {
process.exit(1);
}
}
// Run CLI if called directly
if (import.meta.url === `file://${process.argv[1]}`) {
main();
}
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