datefmt
The datefmt command formats date columns in a CSV file.
Syntax
qsv datefmt [options] <column> <input_file> [<output_file>]
Description
The datefmt command is used to format date columns in a CSV file. This is useful for standardizing date formats across datasets.
Options
--format <format>: Specify the date format (e.g.,%Y-%m-%d)
Examples
Format Date Column
Format a date column to YYYY-MM-DD:
qsv datefmt instance_date DLD_Transactions_English_500.csv --format "%Y-%m-%d" | qsv table
Output:
transaction_id trans_group_en procedure_name_en instance_date property_type_en property_sub_type_en property_usage_en reg_type_en area_name_en building_name_en project_number project_name_en master_project_en nearest_landmark_en nearest_metro_en nearest_mall_en rooms_en has_parking procedure_area actual_worth meter_sale_price rent_value meter_rent_price no_of_parties_role_1 no_of_parties_role_2 no_of_parties_role_3
1-102-2022-29434 Sales Sell - Pre registration 2022-09-28 Unit Hotel Rooms Hospitality Off-Plan Properties Al Barsha South Fifth TERHAB HOTEL & TOWERS - TOWER 3 1722 TERHAB HOTEL & TOWERS AT JUMEIRAH VILLAGE TRIANGLE Jumeirah Village Triangle Sports City Swimming Academy Damac Properties Marina Mall Studio 1 34.35 555379.00 16168.24 null null 2 1 0
1-11-2024-19676 Sales Sell 2024-05-31 Unit Flat Residential Existing Properties Marsa Dubai MARINA STAR 551 MARINA STAR Dubai Marina Sports City Swimming Academy Jumeirah Beach Residency Marina Mall 2 B/R 1 161.71 3481260.00 21527.80 null null 1 1 0
...
Common Use Cases
- Standardizing date formats across datasets
- Preparing data for analysis
Tips
- Verify the transformations by inspecting the output
- Use the appropriate format based on your data and requirements