Combines multiple CSV files merging chosen columns

Instalation

npm install csv-combiner

Test

npm test

Example: combine two CSV files

Dataset_1.csv:

City,State,Country,
Yerevan,Yerevan,Armenia
Yerevan,Yerevan,Armenia
Yerevan,Yerevan,Armenia

Dataset_2.csv:

First Name,Last Name,Age
Arthur,Arakelyan,25
Sipan,Margaryan,26
Davit,Tovmasyan,25

usage:

const combiner = new csvCombiner('/exportDir');
    combiner.combine([{filePath: '/files/Dataset_1.csv',columns: [0,1,2]},
                      {filePath: '/files/Dataset_2.csv',columns: [0,1,2]}
        ]).subscribe(
            filePath => {
               //do whatever you want
            },
            error => {
               //do whatever you want
            }
        )

combined_dataset.csv

City,State,Country,First Name,Last Name,Age
Yerevan,Yerevan,Armenia,Arthur,Arakelyan,25
Yerevan,Yerevan,Armenia,Sipan,Margaryan,26
Yerevan,Yerevan,Armenia,Davit,Tovmasyan,25