is.open {ff}R Documentation

Test if object is opened

Description

Test whether an ff object or an ff_pointer is opened.

Usage

is.open(x, ...)
## S3 method for class 'ff':
is.open(x, ...)
## S3 method for class 'ff_pointer':
is.open(x, ...)

Arguments

x x
... further arguments (not used)

Value

TRUE or FALSE

Author(s)

Jens Oehlschlägel

See Also

is.readonly, open.ff, close.ff

Examples

  x <- ff(1:12)
  is.open(x)
  close(x)
  is.open(x)
  delete(x)
  rm(x)

[Package ff version 2.0.0 Index]