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A tool for writing Linux pipes with instant live preview
...This is achieved by boosting any typical Linux text-processing utils such as grep, sort, cut, paste, awk, wc, perl, etc., etc., by providing a quick, interactive, scrollable preview of their results. To start using up, redirect any text-emitting command (or pipeline) into it. Use PgUp/PgDn and Ctrl-[←]/Ctrl-[→] for basic browsing through the command output. In the input box at the top of the screen, start writing any bash pipeline; then press Enter to execute the command you typed, and the Ultimate Plumber will immediately show you the output of the pipeline in the scrollable window.