Add sha512-256sum

README.md

@@ -72,7 +72,7 @@ Utilities:
  * [x] `sha256sum`
  * [x] `sha384sum`
  * [x] `sha512-224sum`
- * [ ] `sha512-256sum`
+ * [x] `sha512-256sum`
  * [x] `sha512sum`
  * [ ] `sleep`
  * [ ] `sort`

hashsum.go

@@ -23,6 +23,7 @@ var SHA256Regex = regexp.MustCompile("^(?P<hash>[0-9a-f]{64})  (?P<filename>.*)$
 var SHA384Regex = regexp.MustCompile("^(?P<hash>[0-9a-f]{96})  (?P<filename>.*)$")
 var SHA512Regex = regexp.MustCompile("^(?P<hash>[0-9a-f]{128})  (?P<filename>.*)$")
 var SHA512_224Regex = SHA224Regex
+var SHA512_256Regex = SHA256Regex
 
 // SumFunc is a type of function that computes a hash.Hash for data in io.Reader
 type SumFunc func(io.Reader) (hash.Hash, error)
@@ -62,6 +63,10 @@ func SHA512_224Sum(r io.Reader) (hash.Hash, error) {
 	return copyIntoHash(r, sha512.New512_224())
 }
 
+func SHA512_256Sum(r io.Reader) (hash.Hash, error) {
+	return copyIntoHash(r, sha512.New512_256())
+}
+
 type CheckingResults struct {
 	ImproperlyFormattedCount uint
 	InvalidChecksumCount     uint

sha512-256sum/sha512-256sum.go

@@ -0,0 +1,9 @@
+package main
+
+import (
+	common "source.heropunch.io/tomo/go-coreutils"
+)
+
+func main() {
+	common.SumMain(common.SHA512_256Regex, common.SHA512_256Sum)
+}