feat(globs): glob support extended to ls and documented in README

cmd/glob.go

@@ -0,0 +1,28 @@
+package cmd
+
+import (
+	"strings"
+
+	"github.com/spf13/cobra"
+)
+
+var defaultGlobSeparators = []rune{'/', '-', '_', '.', '@', ':', ' '}
+
+func defaultGlobSeparatorsDisplay() string {
+	var b strings.Builder
+	for _, r := range defaultGlobSeparators {
+		b.WriteRune(r)
+	}
+	return b.String()
+}
+
+func parseGlobSeparators(cmd *cobra.Command) ([]rune, error) {
+	sepStr, err := cmd.Flags().GetString("glob-sep")
+	if err != nil {
+		return nil, err
+	}
+	if sepStr == "" {
+		return defaultGlobSeparators, nil
+	}
+	return []rune(sepStr), nil
+}