diff --git a/modules/library/fs-ext.lua b/modules/library/fs-ext.lua
index bd300c1..90e2c0b 100644
--- a/modules/library/fs-ext.lua
+++ b/modules/library/fs-ext.lua
@@ -10,3 +10,7 @@ function frm(s)
  local d,p = fres(s)
  return d.remove(p)
 end
+function fexists(s)
+ local d,p = fres(s)
+ return d.exists(p)
+end