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Assignment 1: Mention fork, exec, pipe, dup2

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Alex Hirsch 2020-10-12 14:40:45 +02:00
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assignment1/README.md
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@ -177,7 +177,7 @@ You may assume that `diff` and `patch` are present and available via `PATH`.
**Hint:** It may be a good idea to create a dedicated class for invoking shell commands like `diff` and `patch`.
Simply using `system(3)` may not give you enough control over the process as you also need to interact with `stdin` / `stdout`.
Consider using `popen(3)` and getting some inspiration from [Go's `exec` package](https://golang.org/pkg/os/exec/) or [Python's `subprocess` module](https://docs.python.org/3/library/subprocess.html).
Consider using `popen(3)` (or even `fork(2)`, `exec(2)`, `pipe(2)`, and `dup2(2)`) and getting some inspiration from [Go's `exec` package](https://golang.org/pkg/os/exec/) or [Python's `subprocess` module](https://docs.python.org/3/library/subprocess.html).
## Testing