diff --git a/changes.txt b/changes.txt
--- a/changes.txt
+++ b/changes.txt
@@ -1,8 +1,14 @@
+1.5.0.0
+-------
+
+- Wed 13 Jan 2021 15:31:54 CET
+- Added `file` filelist export format (request by Henning Thielemann)
+
 1.4.1.0
 -------
 
 - Fri 13 Nov 2020 09:36:31 CET
-- Fixed bug in R (`) (syntactic backquotes
+- Fixed bug in R (`) (syntactic backquotes)
 
 1.4.0.0
 -------
diff --git a/doc/usr/page.rst b/doc/usr/page.rst
--- a/doc/usr/page.rst
+++ b/doc/usr/page.rst
@@ -295,6 +295,16 @@
 This is useful because it is recognised by editors like Emacs,
 which can turn them into active links to the relevant file/position.
 
+``-f file`` exports a filelist.
+
+::
+
+  src/Lentil/Export.hs
+  src/Lentil/File.hs
+  src/Lentil/Parse/Run.hs
+  src/Lentil/Parse/Syntaxes.hs
+  src/Main.hs
+
 .. raw:: html
 
    <p><br/></p>
diff --git a/issues.txt b/issues.txt
--- a/issues.txt
+++ b/issues.txt
@@ -23,7 +23,7 @@
         [request]
     36  Consider using https://github.com/github/semantic ? [design]
     45  lowercase does not work (not recognised, .r vs. .R) [bug]
-   112  rst parser doesn't respect whitespace or paragraphs. How to
+   115  rst parser doesn't respect whitespace or paragraphs. How to
         implement this without breaking other parsers? [bug] [design]
  
 src/Main.hs
diff --git a/lentil.cabal b/lentil.cabal
--- a/lentil.cabal
+++ b/lentil.cabal
@@ -1,5 +1,5 @@
 name:                lentil
-version:             1.4.1.0
+version:             1.5.0.0
 synopsis:            frugal issue tracker
 description:         minumum effort, cohesive issue tracker based on
                      ubiquitous @TODO@s and @FIXME@s conventions.
@@ -11,7 +11,7 @@
 author:              Francesco Ariis <fa-ml@ariis.it> et al.
                      (check authors.txt)
 maintainer:          Francesco Ariis <fa-ml@ariis.it>
-copyright:           © 2015-2020 Francesco Ariis et al. (check authors.txt)
+copyright:           © 2015-2021 Francesco Ariis et al. (check authors.txt)
 category:            Development, Project Management
 stability:           Stable
 build-type:          Simple
diff --git a/src/Lentil/Args.hs b/src/Lentil/Args.hs
--- a/src/Lentil/Args.hs
+++ b/src/Lentil/Args.hs
@@ -63,7 +63,7 @@
                     ( short 'f'      <>
                       metavar "TYPE" <>
                       value Pretty   <>
-                      help "output format (pretty, tagpop, csv, comp, xml)" )
+                      help "output format (pretty, tagpop, file, csv, comp, xml)" )
     where
           parseFormat :: String -> ReadM Format
           parseFormat s = let asl = map forTup (enumFrom minBound)
diff --git a/src/Lentil/Export.hs b/src/Lentil/Export.hs
--- a/src/Lentil/Export.hs
+++ b/src/Lentil/Export.hs
@@ -51,12 +51,16 @@
         file = prettyFP . iFile
         groupBy = L.groupBy ((==) `on` file)
 
--- markdown output
+-- todo [feature] [u:3] markdown output
 --     - che genere di header? o lista di liste?
 --     - come mettere i tag? /[[cdsacad] [cdsac]/
 --     - lista? minuses
 --     - wrap at 80? sì
 --     - cmark
+
+issues2File :: [Issue] -> String
+issues2File is = unlines . L.nub . L.sort $ map iFile is
+
 
 -----------------
 -- ANCILLARIES --
diff --git a/src/Lentil/Types.hs b/src/Lentil/Types.hs
--- a/src/Lentil/Types.hs
+++ b/src/Lentil/Types.hs
@@ -49,7 +49,7 @@
 
 
 -- output format
-data Format = TagPop | Pretty | Csv | Comp | Xml
+data Format = TagPop | Pretty | File | Csv | Comp | Xml
             deriving (Show, Eq, Enum, Bounded)
     -- comp: as gcc/ghc would output warnings
 
diff --git a/src/Main.hs b/src/Main.hs
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -37,8 +37,8 @@
                                    short 'v'      S.<>
                                    help "show version and copyright info" )
     where
-          versionCopy = "\nlentil - frugal issue tracker, version 1.4.1.0\n\
-                        \(C) 2015-2020 Francesco Ariis - http://www.ariis.it\n\
+          versionCopy = "\nlentil - frugal issue tracker, version 1.5.0.0\n\
+                        \(C) 2015-2021 Francesco Ariis - http://www.ariis.it\n\
                         \released under the GNU General Public License v3\n"
 
 
@@ -65,6 +65,7 @@
                case loFormat lo of
                  Pretty -> outFunction (ppIssues bCol fil)
                  TagPop -> outFunction (ppPopularity bCol fil)
+                 File   -> outFunction (issues2File fil)
                  Csv    -> outFunction (issues2CSV fil)
                  Comp   -> outFunction (issues2Compiler fil)
                  Xml    -> outFunction (issues2Xml fil)
diff --git a/test/Lentil/ExportSpec.hs b/test/Lentil/ExportSpec.hs
--- a/test/Lentil/ExportSpec.hs
+++ b/test/Lentil/ExportSpec.hs
@@ -35,6 +35,11 @@
         , "</issue>"
         , "</file></issues>", "\n"]
 
+file :: String
+file = unlines
+         ["./file",
+          "file"]
+
 main :: IO ()
 main = hspec spec
 
@@ -60,4 +65,10 @@
   describe "issues2Xml" $ do
     it "exports issues to xml output format" $
       issues2Xml is `shouldBe` xml
+
+  describe "issues2File" $ do
+    it "exports file list" $
+      issues2File is `shouldBe` file
+    it "does not duplicate files" $
+      issues2File (is++is) `shouldBe` file