nws (version 1.7.0.0)

nwsFindTryFile: Find a Stored Value and Write It to a File

Description

Find a value of a netWorkSpace variable and write it to a file.

Usage

## S3 method for class 'netWorkSpace':
nwsFindTryFile(.Object, xName, fObj)

Arguments

.Object

a netWorkSpace object.

xName

character string specifying the name of the variable to find.

fObj

file object or character string specifying the file to write data to.

Details

The nwsFindTryFile method looks in the shared netWorkSpace .Object for a value bound to xName; if it finds such a value, nwsFind writes it to the specified file but does not remove it from the variable, and returns TRUE. If no value is found, nwsFindFile returns FALSE. If there is more than one value associated with xName, the particular value returned depends on xName's behavior. See nwsDeclare for details.

See Also

nwsFetchTryFile, nwsFindTry

Examples

ws <- netWorkSpace('nws example')
nwsStore(ws, 'x', 'Hello, world\n')
if (nwsFindTryFile(ws, 'x', 'hello.txt')) {
  cat('success\n')
} else {
  cat('failure\n')
}