http://mathforum.org/kb List of forum topics en http://mathforum.org/kb/thread.jspa?messageID=8098243&tstart=0#8098243 As I understood, this is what the OP was asking for. It will work with any
export format, but of course it is true that with some formats it]]> Jan 18, 2013 12:49:54 AM Jan 18, 2013 12:49:54 AM szhorvat@gmail.com 0 http://mathforum.org/kb/thread.jspa?messageID=8098241&tstart=0#8098241
On Jan 16,]]> Jan 18, 2013 12:49:38 AM Jan 18, 2013 12:49:38 AM murray@math.umass.edu 0 http://mathforum.org/kb/thread.jspa?messageID=8098254&tstart=0#8098254 ]]> Jan 18, 2013 12:49:37 AM Jan 18, 2013 12:49:37 AM 2 http://mathforum.org/kb/thread.jspa?messageID=8083006&tstart=0#8083006
In fact there is a simple way to make Export append rather than overwrite. Please see here:

Jan 16, 2013 11:15:07 PM Jan 16, 2013 11:15:07 PM szhorvat@gmail.com 0 http://mathforum.org/kb/thread.jspa?messageID=8073913&tstart=0#8073913
Thanks for your help. Hope the Wolfram folks are reading this as well.
Something simple like this should really be an option]]> Jan 16, 2013 1:38:58 AM Jan 16, 2013 1:38:58 AM Maarten.VanDerBurgt@kla-tencor.com 4 http://mathforum.org/kb/thread.jspa?messageID=8068773&tstart=0#8068773
With a command like

Export["myfile.dat", results, "List" ]

is there a way to append the results to an existing]]> Jan 14, 2013 11:28:25 PM Jan 14, 2013 11:28:25 PM Alexei.Boulbitch@iee.lu 0 http://mathforum.org/kb/thread.jspa?messageID=8059041&tstart=0#8059041
With a command like

Export["myfile.dat", results, "List" ]

is there a way to append the results to an existing]]> Jan 11, 2013 10:23:37 PM Jan 11, 2013 10:23:37 PM Maarten.VanDerBurgt@kla-tencor.com 6