tempvar

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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.

See Also

tempfile() and assign().

Aliases
  • tempvar
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 2.8.0, License: LGPL (>= 2.1)

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