Groovy execute command and process execution with 12+ examples. Covers String.execute(), ProcessBuilder, stdout/stderr capture, exit codes, timeouts, and piping. Groovy 5.x. “Any sufficiently advanced build script will eventually shell out to the operating system. Groovy just makes it embarrassingly easy.” Brian Kernighan, Unix Philosophy Last Updated: March 2026 | Tested on: Groovy 5.x, Java 17+ | Difficulty: Intermediate | Reading Time: 25 minutes When you need to groovy execute command from a script – checking disk space, calling git, restarting ... Read More