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Does the "GRASS" representation of a GRaster or GVector exist?

Source: R/exists.r
exists.Rd

GRasters and GVectors are R objects that contain a pointer to a raster or vector in GRASS. Thus, for a GRaster or GVector to be functional, the GRASS file must exist. This function indicates if that is so.

Usage

# S4 method for class 'GRaster'
.exists(x)

# S4 method for class 'GVector'
.exists(x)

# S4 method for class 'character'
.exists(x)

Arguments

x

A GRaster, GVector, or the sources() name of one.

Value

Logical.