Removes duplicate rows from a CSV file.
Two rows are considered duplicates if they share the same value in a user-specified column. By default, the command uses the 'id' column, which typically contains repository IDs.
Prints statistics about the number of duplicates found and writes the deduplicated rows to a new CSV file.
By default, the output file name is the input file name with '.unique.csv' appended.
Output CSV file format:
*