diff options
Diffstat (limited to '')
-rw-r--r-- | dependencies/pkg/mod/github.com/cespare/xxhash/v2@v2.1.2/xxhsum/xxhsum.go | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/github.com/cespare/xxhash/v2@v2.1.2/xxhsum/xxhsum.go b/dependencies/pkg/mod/github.com/cespare/xxhash/v2@v2.1.2/xxhsum/xxhsum.go new file mode 100644 index 0000000..9b1d035 --- /dev/null +++ b/dependencies/pkg/mod/github.com/cespare/xxhash/v2@v2.1.2/xxhsum/xxhsum.go @@ -0,0 +1,50 @@ +package main + +import ( + "fmt" + "io" + "os" + + "github.com/cespare/xxhash/v2" +) + +func main() { + if contains(os.Args[1:], "-h") { + fmt.Fprintf(os.Stderr, `Usage: + %s [filenames] +If no filenames are provided or only - is given, input is read from stdin. +`, os.Args[0]) + os.Exit(1) + } + if len(os.Args) < 2 || len(os.Args) == 2 && os.Args[1] == "-" { + printHash(os.Stdin, "-") + return + } + for _, path := range os.Args[1:] { + f, err := os.Open(path) + if err != nil { + fmt.Fprintln(os.Stderr, err) + continue + } + printHash(f, path) + f.Close() + } +} + +func contains(ss []string, s string) bool { + for _, s1 := range ss { + if s1 == s { + return true + } + } + return false +} + +func printHash(r io.Reader, name string) { + h := xxhash.New() + if _, err := io.Copy(h, r); err != nil { + fmt.Fprintln(os.Stderr, err) + return + } + fmt.Printf("%016x %s\n", h.Sum64(), name) +} |