ansi functions library

lib/ansi.bash

@@ -48,10 +48,12 @@ function style_block {
   length=$(ansi_length "$content")
   length=$((length + 2))
 
-  builtin echo -n "╔"
-  for _ in $(seq 1 "${length}"); do builtin echo -n '═'; done
-  builtin echo "╗"
-
+  top=$(
+    builtin echo -n "╔"
+    for _ in $(seq 1 "${length}"); do builtin echo -n '═'; done
+    builtin echo "╗"
+  )
+  builtin echo "${top}"
   builtin echo "║ $content ║"
 
   builtin echo -n "╚"