matchAssignment.js

const fs = require('fs');

const makeObject = function(string,suffix){
  suffix[string.slice(-4)] = string;
  return suffix;
};

const matchContents = function(firstTexts,secondTexts){
  const suffix = {}
  const matchedArray = [];

  /*const makeObject = function(string){
    suffix[string.slice(-4)] = string;
  };*/

  for(let line of firstTexts){
    makeObject(line,suffix)
  }

  for(let line of secondTexts){
    let matchingString = suffix[line.slice(0,4)];
    if(matchingString.slice(-4) == line.slice(0,4)){
      matchedArray.push(matchingString.slice(0,-4) + line)
    }
  }
  return matchedArray;
};

const main = function(){
  const firstTexts = fs.readFileSync('./match_data/match_large_1.txt','utf8').split('\n');
  const secondTexts = fs.readFileSync('./match_data/match_large_2.txt','utf8').split('\n');
  console.log(matchContents(firstTexts,secondTexts));
};

main();