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locale - Perl pragma to use and avoid POSIX locales for built-in operations


@x = sort @y;	# ASCII sorting order
    use locale;
    @x = sort @y;   # Locale-defined sorting order
@x = sort @y;	# ASCII sorting order again


This pragma tells the compiler to enable (or disable) the use of POSIX locales for built-in operations (LC_CTYPE for regular expressions, and LC_COLLATE for string comparison). Each "use locale" or "no locale" affects statements to the end of the enclosing BLOCK.