Lists

Strip duplicate lines from a list, with optional trimming and case folding.

Sort lines alphabetically, numerically, by length, or shuffle them randomly.

Flip the order of a list from bottom to top.

Shift every item up or down, wrapping around the ends.

Break a list into groups of a fixed size.

Strip quotes, brackets and trailing commas off every item.

Count how often each item appears, and find the unique ones.