dsApplyInPairs.GenericDataFileSet | R Documentation |
Applies a function to each pair of file in two file sets.
## S3 method for class 'GenericDataFileSet' dsApplyInPairs(ds1, ds2, FUN, ..., args=list(), skip=FALSE, verbose=FALSE, .parallel=NULL, .control=NULL)
ds, ds1, ds2 |
|
FUN |
A |
... |
Arguments passed to |
args |
(optional) A named |
skip |
If |
verbose |
See |
WARNING: dsApplyInPairs()
is defunct; instead use
future.apply::future_mapply()
.
Returns a list
.
Henrik Bengtsson
## Not run: # - - - - - - - - - - - - - - - - - - - - - - - - # Setting up a file set # - - - - - - - - - - - - - - - - - - - - - - - - path <- system.file(package="R.filesets") ds <- GenericDataFileSet$byPath(path) # - - - - - - - - - - - - - - - - - - - - - - - - # Get the size of each file # - - - - - - - - - - - - - - - - - - - - - - - - sizes <- lapply(ds, FUN=getFileSize) str(sizes) ## End(Not run)
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