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hashsum: make generic tool for any hash to produce md5sum like output

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This commit is contained in:
Nick Craig-Wood 2018-04-20 11:33:50 +01:00
parent 57a5b72d60
commit c51d97c752
3 changed files with 67 additions and 4 deletions
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9
fs/operations/operations.go
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@ -840,7 +840,7 @@ func ListLong(f fs.Fs, w io.Writer) error {
//
// Lists in parallel which may get them out of order
func Md5sum(f fs.Fs, w io.Writer) error {
return hashLister(hash.MD5, f, w)
return HashLister(hash.MD5, f, w)
}
// Sha1sum list the Fs to the supplied writer
@ -849,7 +849,7 @@ func Md5sum(f fs.Fs, w io.Writer) error {
//
// Lists in parallel which may get them out of order
func Sha1sum(f fs.Fs, w io.Writer) error {
return hashLister(hash.SHA1, f, w)
return HashLister(hash.SHA1, f, w)
}
// DropboxHashSum list the Fs to the supplied writer
@ -858,7 +858,7 @@ func Sha1sum(f fs.Fs, w io.Writer) error {
//
// Lists in parallel which may get them out of order
func DropboxHashSum(f fs.Fs, w io.Writer) error {
return hashLister(hash.Dropbox, f, w)
return HashLister(hash.Dropbox, f, w)
}
// hashSum returns the human readable hash for ht passed in. This may
@ -876,7 +876,8 @@ func hashSum(ht hash.Type, o fs.Object) string {
return sum
}
func hashLister(ht hash.Type, f fs.Fs, w io.Writer) error {
// HashLister does a md5sum equivalent for the hash type passed in
func HashLister(ht hash.Type, f fs.Fs, w io.Writer) error {
return ListFn(f, func(o fs.Object) {
sum := hashSum(ht, o)
syncFprintf(w, "%*s %s\n", hash.Width[ht], sum, o.Remote())