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							- var LogWriter = require('../writer');
 
- var fs = require('fs');
 
- class FileWriter extends LogWriter {
 
- 		constructor(opt) {
 
- 			super(opt);
 
- 			this.targetFile = opt.path;
 
- 			this.format = opt.format;
 
- 		}
 
- 		log(msg) {
 
- 			fs.appendFile(this.targetFile, msg +"\n");
 
- 		}
 
- }
 
- module.exports = FileWriter;
 
 
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