Ru

Allows direct use of any Ruby Core and Active Support method in shell commands, enabling powerful transformations like String#center or .sum without learning awk syntax, as shown in the examples.

Simplifies passing arguments to methods within map operations, making commands more concise and readable, such as 'map(:center, 80)' versus complex awk printf statements.

Converts file listings to Ru::File objects with methods like size and updated_at, facilitating easy manipulation of file properties in pipelines without separate shell commands.

Supports saving frequently used transformations as named commands with 'ru save', enhancing productivity for repetitive tasks, as detailed in the Saved Commands section.