14.6. Issuing system commands from inside Ruby programs

You can issue system commands in several ways in Ruby. We’ll look primarily at two of them: the system method and the `` (backticks) technique. The other ways to communicate with system programs involve somewhat lower-level programming and are more system-dependent and therefore somewhat outside the scope of this book. We’ll take a brief look at them nonetheless, and if they seem to be something you need, you can explore them further.

14.6.1. The system method and backticks

The system method calls a system program. Backticks (``) call a system program and return its output. The choice depends on what you want to do.

Executing system programs with the system method

To use system, send it ...

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