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Unzipping Password-Protected Zip Files in Golang
The recent release of Golang 1.2 introduced the archive/zip package. However, it appears to offer basic zip functionality and lacks support for unzipping password-protected zip files. To address this, an alternative approach is to utilize 7zip.
Solution: Using 7zip via Go's os/exec Package
Given that 7zip provides robust zip functionality, including password-protected unzipping, we can leverage Go's os/exec package to execute 7zip commands from within our Go code.
Code Example
The following Go code demonstrates how to extract a password-protected zip file using 7zip:
<code class="go">import ( "fmt" "os" "os/exec" ) func main() { zipPath := "path/to/password-protected.zip" extractPath := "path/to/extract/to" password := "secret" // Construct the 7zip command string commandString := fmt.Sprintf(`7za e %s -o%s -p"%s" -aoa`, zipPath, extractPath, password) commandSlice := strings.Fields(commandString) // Execute the 7zip command c := exec.Command(commandSlice[0], commandSlice[1:]...) err := c.Run() if err != nil { panic(err) } fmt.Printf("Unzipped password-protected zip file to %s\n", extractPath) }</code>
Usage
This solution effectively utilizes 7zip's proven zip functionality, providing a straightforward way for Golang developers to handle password-protected zip files.
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