> I often find myself (wanting t)o constructing lists or
> data.frames:
Try something like
fl<-list()
for (ix in id) {
fl[[basename(ix)]] <- list.files(ix)
}
But read R Inferno on inrementing objects first. It isn't efficient in memory
terms (unless that's improved in recent versions of R)
Rather more elegantly you can get the same list with
sapply(id, function(ix) list.files(ix))
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