How to Unzip Password-Protected ZIP Files in Go 1.2 Using 7zip?

Unzipping Password-Protected ZIP Files in Go 1.2

The os/exec package offers a convenient way to interact with external commands. For unzipping encrypted ZIP files using 7zip in Go 1.2, consider the following:

The archive/zip package provides basic ZIP manipulation functionality. Instead of using it to extract password-protected ZIP files, you can employ 7zip through os/exec.

Here's an illustration:

<code class="go">import (
    "fmt"
    "os/exec"
    "strings"
)

func extractZipWithPassword() {
    fmt.Printf("Unzipping `%s` to directory `%s`\n", zipPath, extractPath)
    commandString := fmt.Sprintf(`7za e %s -o%s -p"%s" -aoa`, zipPath, extractPath, zipPassword)
    commandSlice := strings.Fields(commandString)
    fmt.Println(commandString)
    c := exec.Command(commandSlice[0], commandSlice[1:]...)
    e := c.Run()
    checkError(e)
}</code>

Example Program with 7zip

<code class="go">package main

import (
    "fmt"
    "os"
    "os/exec"
    "path/filepath"
    "strings"
)

var (
    // Your variables and paths...
)

func main() {
    fmt.Println("# Setup")
    //...
    fmt.Println("# Answer to question...")
    extractZipWithPassword()
    //...
    fmt.Println("Done.")
}</code>

Output:

# Setup
# Answer to question...
Unzipping `test/src/sample.zip` to directory `test/extracted`
7za e test/src/sample.zip -otest/extracted -p"42" -aoa
Reading test/extracted/name.txt
Done.

This approach allows you to unzip password-protected ZIP files using 7zip in Go 1.2.

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