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2007 Aug 27
4
Problem with save or/and if (I think but maybe not ...)
...ginning that I have to skip). New files are generated everyday. 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"...