allow customizing of duplicate str in tables

Author: cppforlife

ui/table/interfaces.go

@@ -22,6 +22,7 @@ type Table struct {
 	HeaderFormatFunc func(string, ...interface{}) string
 	DataOnly         bool
 	FillFirstColumn  bool
+	DuplicateStr     string
 	BackgroundStr    string
 	BorderStr        string
 	Transpose        bool

ui/table/table.go

@@ -58,7 +58,11 @@ func (t Table) AsRows() [][]Value {
 			if lastVal == nil {
 				lastVal = r[0]
 			} else if lastVal.String() == r[0].String() {
-				r[0] = ValueString{"~"}
+				if len(t.DuplicateStr) > 0 {
+					r[0] = ValueString{t.DuplicateStr}
+				} else {
+					r[0] = ValueString{"^"}
+				}
 			} else {
 				lastVal = r[0]
 			}