csvSelectColumns

csvSelectColumns(csv, columns) → string · CSV

Select/project only specific columns from a CSV string.

• csv (required): CSV string

• columns (required): array of column names to keep

let csv = "Name,Age,Email,Phone\nAlice,30,a@b.com,555-1234"
{
  projected: csvSelectColumns(csv, ["Name", "Email"])
}
// Output: {projected: "Name,Email\nAlice,a@b.com"}