1 files changed, 23 insertions, 0 deletions

diff --git a/echo/tplfuncs/humanize.go b/echo/tplfuncs/humanize.go
new file mode 100644
index 0000000..4fc47a3
--- /dev/null
+++ b/echo/tplfuncs/humanize.go
@@ -0,0 +1,23 @@
+package tplfuncs
+
+import (
+        "fmt"
+        "strings"
+)
+
+// JoinEnglish renders a list of strings with commas between them and if
+// there are three or more words will include the word "and" before the
+// final word.
+func JoinEnglish(words []string) string {
+        switch len(words) {
+        case 0:
+                return ""
+        case 1:
+                return words[0]
+        case 2:
+                return fmt.Sprintf("%s and %s", words[0], words[1])
+        default:
+                base := strings.Join(words[:len(words)-1], ", ")
+                return fmt.Sprintf("%s, and %s", base, words[len(words)-1])
+        }
+}