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fichiers
2007 Aug 27
4
Problem with save or/and if (I think but maybe not ...)
...ay.
This is my strategy :
In order to analyse the data, I first want to copy the new data in a
database in MySQL (which already contains the previous data).
So the first task is to compare the list of the files in the directory
(object : rfichiers) to the list of the files already saved (object :
tfichiers). The list containing the new files is then given by
nfichiers<-setdiff(rfichiers, tfichiers).
It sounds easy ...
... but it doesn't work !!!
Up to now, I'm am able to connect to MySQL and, if the file "tfichiers.r"
doesn't exist, I can copy data files to the MySQL databa...