* prefs2prefs.py : Don't choke on empty input file.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@39666 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/lib/scripts/prefs2prefs.py b/lib/scripts/prefs2prefs.py
index 5bc25c1b142289fe89f4c334268ddbfe290242dc..55ff96abb388b7c7ba024085f24dcda56b631e7a 100644 (file)
--- a/lib/scripts/prefs2prefs.py
+++ b/lib/scripts/prefs2prefs.py
@@ -48,7 +48,7 @@ def trim_bom(line):
 
 def read(source):
        " Read input file and strip lineendings."
-       lines = source.read().splitlines()
+       lines = source.read().splitlines() or ['']
        lines[0] = trim_bom(lines[0])
        return lines