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Last data update: 2014.03.03

R: A function to download all the CRN files

downloadCRN

R Documentation

A function to download all the CRN files

Description

The function is passed a url for daily or hourly data, a matching directory, and sequence of years to download. The function will then download all the files and place them in the right directory.

Usage

downloadCRN(url = CRN.DAILY.URL, directory = DAILY_DIR, years = seq(from = 2000, to = 2011, by = 1))

Arguments

`url`	Must be either CRN.DAILY.URL or CRN.HOURLY.URL
`directory`	Must match the url: DAILY_DIR or HOURLY_DIR
`years`	a sequence of years to download. On initial download you should download all files. For updates just use the last year

Details

The function iterates through the years in the sequence, fetches all the urls for the files in those subdirectories and downloads them all

Value

Side effect is downloaded files

Author(s)

Steven Mosher

Examples

## Not run: 
  downloadCRN()
  downloadCRN( url = CRN.HOURLY.URL, directory = HOURLY_DIR )

## End(Not run)