Current Version: '''0.3''' (Updated 2018-10-15)

[bll] 2018-8-5 I have written a locale command to work with Tcl.  When LC_ALL is set, the locale for LC_NUMERIC is 
recorded, and LC_NUMERIC is set to "C" so that Tcl numeric parsing still works.  The [format] command is locale
aware and can be used as in the example below by setting the LC_NUMERIC locale, then resetting LC_NUMERIC back to "C".
The [scan] command is not locale aware.

On Windows, LC_MESSAGES does not exist.  LC_MESSAGES will return LC_ALL.  Setting LC_MESSAGES will record the 
locale setting, but will not change any locale setting.

This package can be downloaded from: https://sourceforge.net/projects/tcl-collate/

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###
# collate example

load [pwd]/locale.so
load [pwd]/collate.so

locale all set {}

set mylist [list A Ä B Z]
# try de_DE.UTF-8 and de_CH.UTF-8
lsort -command collate $mylist

###
# locale examples
#
# locale values
# locale all/collate/messages/monetary/numeric/time get
# locale all/collate/messages/monetary/numeric/time set <locale>
# locale all/collate/messages/monetary/numeric/time set {} ; # from environment
#

load [pwd]/locale.so

# Initialize all LC_* settings from the environment.
# Note that the LC_NUMERIC locale is saved internally, and reset to 'C'.
locale all set {}

# [locale values] returns some information if you want to use
# it directly in your program.
# Note that: 'locale all set {}' must be called,
locale values
-> decimal_point , thousands_sep . grouping 33 currency_symbol €

# Getting LC_NUMERIC will return the correct value, though
# in reality, it is still set to 'C'.
locale numeric get
-> de_DE.UTF-8

# The format statement is locale aware.
# Setting LC_NUMERIC explicitly works, but you have to remember to
# change it back.
locale numeric set de_DE.UTF-8
set x [format %.1f 1.5]
-> 1,5
locale numeric set C

# scan is not locale aware
# this regsub handles 90+% of the different locales, I expect
regsub , $x . x
scan $x %f myvalue

# Windows: LC_MESSAGES returns the LC_ALL setting
locale messages get
-> de_DE.UTF-8

# Windows: setting LC_MESSAGES saves the value, but doesn't change any
# locale settings.
locale messages set en_US.UTF-8
locale messages get
-> en_US.UTF-8
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