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package main
import (
"flag"
"fmt"
"syscall"
)
var (
dir = flag.String("dir", ".", "the directory which uses a disk")
)
func main() {
flag.Parse()
fillInDiskStatus(*dir)
}
func fillInDiskStatus(dir string) {
fs := syscall.Statfs_t{}
err := syscall.Statfs(dir, &fs)
if err != nil {
fmt.Printf("failed to statfs on %s: %v\n", dir, err)
return
}
fmt.Printf("statfs: %+v\n", fs)
fmt.Println()
total := fs.Blocks * uint64(fs.Bsize)
free := fs.Bfree * uint64(fs.Bsize)
fmt.Printf("Total: %d blocks x %d block size = %d bytes\n", fs.Blocks, uint64(fs.Bsize), total)
fmt.Printf("Free : %d blocks x %d block size = %d bytes\n", fs.Bfree, uint64(fs.Bsize), free)
fmt.Printf("Used : %d blocks x %d block size = %d bytes\n", fs.Blocks-fs.Bfree, uint64(fs.Bsize), total-free)
fmt.Printf("Free Percentage : %.2f%%\n", float32((float64(free)/float64(total))*100))
fmt.Printf("Used Percentage : %.2f%%\n", float32((float64(total-free)/float64(total))*100))
return
}
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