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withLocale

Evaluate an R expression with locale set temporarily

Description

Evaluate an R expression with locale set temporarily.

Usage

withLocale(expr, category, locale, ..., substitute=TRUE, envir=parent.frame())

Arguments

expr

The R expression to be evaluated.
category

A character string specifying the category to use.
locale

character vector specifying the locale to used. The first successfully set one will be used.
...

Not used.
substitute

If TRUE, argument expr is substitute():ed, otherwise not.
envir

The environment in which the expression should be evaluated.

Value

Returns the results of the expression evaluated.

Author(s)

Henrik Bengtsson

See Also

Internally, eval() is used to evaluate the expression. and Sys.setlocale() to set locale.

Examples

# Vector
cat("Original vector:\n")
x <- c(letters[1:8], LETTERS[1:8])
print(x)

cat("Sorting with 'C' locale:\n")
y1 <- withLocale(sort(x), "LC_COLLATE", "C")
print(y1)

cat("Sorting with an 'English' locale:\n")
y2 <- withLocale(sort(x), "LC_COLLATE", c("en_US", "en_US.UTF8", "English_United States.1252"))
print(y2)
R.utils

Various Programming Utilities

v2.10.1
LGPL (>= 2.1)
Authors
Henrik Bengtsson [aut, cre, cph]
Initial release

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