Hi, Am Sonntag, den 07.11.2010, 19:52 +0100 schrieb Antoine Latter: > On Sun, Nov 7, 2010 at 10:43 AM, Joachim Breitner > <m...@joachim-breitner.de> wrote: > > Hi Jaap, > > > > your CSV library is used in the Hackage2 project. I found that backup > > and restore does not work with a pristine state, and the reason seems to > > be a problem with your library: It either adds unnecessary newlines or > > interprets empty lines at the end of the program for no apparent reason: > > > > Prelude Text.CSV> (parseCSV "name" . printCSV) [] > > Right [[""]] > > Prelude Text.CSV> (parseCSV "name" . printCSV) [[]] > > Right [[""],[""]] > > Prelude Text.CSV> (parseCSV "name" . printCSV) [[],[]] > > Right [[""],[""]] > > Prelude Text.CSV> (parseCSV "name" . printCSV) [["hi"],["ho"]] > > Right [["hi"],["ho"],[""]] > > Prelude Text.CSV> (parseCSV "name" . printCSV) [["hi"]] > > Right [["hi"],[""]] > > Prelude Text.CSV> > > > > At some point I had a hack in place to drop the last row of a parsed > CSV file if it was nothing but an empty string. It may have gotten > lost, or it may not be universally applied in hackage-server 2. This > worked pretty well for most things, but I don't think I ever ran into > the issue of an empty line in the middle of a CSV file.
correct, I later found that code as well. I’m not fully anymore that the issues I observed are caused by this bug. But nevertheless it’s better to fix the CSV module than work around it in hackage2. Greetings, Joachim -- Joachim "nomeata" Breitner mail: m...@joachim-breitner.de | ICQ# 74513189 | GPG-Key: 4743206C JID: nome...@joachim-breitner.de | http://www.joachim-breitner.de/ Debian Developer: nome...@debian.org
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