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dsApplyInPairs.GenericDataFileSet

Applies a function to each pair of file in two file sets


Description

Applies a function to each pair of file in two file sets.

Usage

## S3 method for class 'GenericDataFileSet'
dsApplyInPairs(ds1, ds2, FUN, ..., args=list(), skip=FALSE, verbose=FALSE,
  .parallel=NULL, .control=NULL)

Arguments

ds, ds1, ds2

GenericDataFileSet:s.

FUN

A function.

...

Arguments passed to FUN.

args

(optional) A named list of additional arguments passed to FUN.

skip

If TRUE, already processed files are skipped.

verbose

See Verbose.

Details

WARNING: dsApplyInPairs() is deprecated; instead use future.apply::future_mapply().

Value

Returns a named list where the names are those of argument IDXS.

Author(s)

Henrik Bengtsson

Examples

## 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)

R.filesets

Easy Handling of and Access to Files Organized in Structured Directories

v2.14.0
LGPL (>= 2.1)
Authors
Henrik Bengtsson [aut, cre, cph]
Initial release

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