nwsFetchTryFile {nws}R Documentation

netWorkSpace Class Method

Description

Fetch a value of a workspace variable and write it to a file.

Usage

## S4 method for signature 'netWorkSpace':
nwsFetchTryFile(.Object, xName, fObj)

Arguments

.Object a netWorkSpace object
xName name of the variable to find
fObj File to write data to

Details

The nwsFetchTryFile method trys to find a value in the variable specified by 'xName'. If found, the value is removed from the variable, it writes the value to the file object, and the method returns TRUE. If it is not found, it simply returns FALSE.

See Also

nwsFindTryFile, nwsFetchTry

Examples

## Not run: 
ws <- netWorkSpace('nws example')
nwsStore(ws, 'x', 'Hello, world\n')
if (nwsFetchTryFile(ws, 'x', 'hello.txt')) {
  cat('success\n')
} else {
  cat('failure\n')
}
## End(Not run)

[Package nws version 1.6.3 Index]