tempvar

From R.utils v2.9.2 by Henrik Bengtsson

Gets a unique non-existing temporary variable name

Gets a unique non-existing temporary variable name and optionally assigns it an initial value.

Keywords: internal, programming

Usage

tempvar(prefix="var", value, envir=parent.frame(), inherits=FALSE)

Arguments

prefix: A character string specifying the prefix of the temporary variable name.
value: (optional) If given, a variable with the temporary name is assigned this value.
envir: An environment where the variable should exist.
inherits: A logical specifying whether the enclosing frames of the environment should be searched or not.

Value

Returns a character string.

Examples

# NOT RUN {
# Get a temporary variable
name <- tempvar()
print(name)

# Get and assign a temporary variable
name <- tempvar(value=base::letters)
print(name)
str(get(name))

# Get a temporary variable with custom prefix
name <- tempvar(prefix=".hidden")
print(name)
# }

Documentation reproduced from package R.utils, version 2.9.2, License: LGPL (>= 2.1)

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