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- package main
- import (
- "fmt"
- "os/exec"
- "strconv"
- "strings"
- )
- func getDiskUsage(path string) (uint64, error) {
- cmd := exec.Command("df", "-B1", path)
- output, err := cmd.CombinedOutput()
- if err != nil {
- return 0, err
- }
- lines := strings.Split(string(output), "\n")
- if len(lines) < 2 {
- return 0, fmt.Errorf("unexpected output from df command")
- }
- fields := strings.Fields(lines[1])
- if len(fields) < 3 {
- return 0, fmt.Errorf("unexpected output format from df command")
- }
- parseUint, _ := strconv.ParseUint(fields[2], 10, 64)
- return parseUint, nil
- }
- func main() {
- path := "/dev/vdb"
- used, err := getDiskUsage(path)
- if err != nil {
- fmt.Println("Error:", err)
- return
- }
- fmt.Printf("Used Disk Space: %d bytes\n", used)
- }
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