liorkaufman / colops

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Colops

Colops is a command-line tool for performing operations on columns of CSV and JSON files.

Usage

To use Colops, first install it with cargo:

cargo install colops

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Then, run it by specifying the input file, column, and operation:

colops -f input.csv -c name -o count

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This will count the number of values in the name column of the input.csv file.

Options

• -f, --file <FILE>: Sets the input file (CSV or JSON).
• -c, --column <COLUMN>: Specifies the column to perform the operation on. This can be either the name of the column or its index (starting from 0).
• -o, --operation <OPERATION>: Specifies the operation to perform on the column. Currently, only sum and count are supported.

Examples

Count the number of values in the name column of a CSV file:

colops -f input.csv -c name -o count

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Calculate the sum of the values in the age column of a CSV file:

colops -f input.csv -c age -o sum

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Count the number of values in the users array of a JSON file:

colops -f input.json -c users -o count

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Calculate the sum of the values in the ages array of a JSON file:

colops -f input.json -c ages -o sum

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License

This project is licensed under the MIT License - see the LICENSE file for details.