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How Can I Execute Linux Shell Built-in Commands from Go Programs?

Patricia Arquette

Nov 30, 2024 am 09:24 AM

How Can I Execute Linux Shell Built-in Commands from Go Programs?

Executing Shell Built-In Commands in Go Programs

Linux provides various built-in commands that are not available as binaries in the $PATH. This can pose a challenge when attempting to execute such commands from Go programs.

To address this issue, the exec.LookPath function can be utilized, as suggested in the referenced article. It can locate the path to a built-in command within the system, allowing for its invocation.

Alternatively, one can opt to use the system which binary, which handles the execution of commands natively:

err := exec.Command("which", "command").Run()

Another approach involves executing the command within a shell:

err := exec.Command("/bin/bash", "-c", "command -v foo").Run()

With these methods, Go programs can effectively execute Linux shell built-in commands, broadening their capabilities and allowing for more comprehensive automation tasks.

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