xlsx-lite

You can totalize a numeric column in a CSV file by running a bundled Python script that reads your input CSV, aggregates the specified column, and appends a totals row before writing a clean output CSV.

Yes, you can add a totals row to CSV data without external dependencies by using a bundled Python script that processes the input file and writes a formatting-free output CSV with the aggregated row appended.

The best way to summarize a sales CSV with a quick totals row is executing a script that takes your input file, output path, and target column name to compute the aggregation and produce a clean CSV output.

This CSV data processing script does not support large datasets; it is designed for small datasets where you need a quick totals row and a formatting-free CSV output for simple spreadsheet tasks.

You compute column totals and produce a clean CSV output by executing the sum column script with your input CSV, output CSV path, and the target column name to append the aggregated row.