How Can I Execute a Bash Script from Go Using Custom Commands?

Executing a Bash Script from Go: Utilizing Custom Commands

In Golang, executing external commands is simplified with the os/exec package. However, directly executing a bash script using this method may present challenges. This article delves into an alternative approach for executing an entire bash script.

Achieving Compatibility with Go

For the script to be executable from Go, it must adhere to certain requirements:

• Initialization: It should start with #!/bin/sh or a similar directive to specify the interpreter.
• Permissions: The script file should be made executable with chmod x.

Execution with Custom Command

If the script does not meet these requirements, an alternative approach is to execute it indirectly using a custom command.

Option 1: Indirect Execution

Use exec.Command to invoke the /bin/sh shell and pass the script's path as an argument.

cmd := exec.Command("/bin/sh", mongoToCsvSH)

Option 2: One-Liner Command

Concatenate the script's path with the /bin/sh command in a single string.

cmd := exec.Command("/bin/sh " + mongoToCsvSH)

By employing these methods, you can successfully execute bash scripts from within Golang. Remember to adapt the code snippets based on your specific script's requirements.

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