195 lines
5.4 KiB
Groff
195 lines
5.4 KiB
Groff
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.\" Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua>
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.\" at Electronni Visti IA, Kiev, Ukraine.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd January, 27 1995
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.Dt COLLDEF 1
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.Os
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.Sh NAME
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.Nm colldef
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.Nd convert collation sequence source definition
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.Sh SYNOPSIS
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.Nm colldef
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.Ar [-o out_file] [filename]
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.Sh DESCRIPTION
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.Ar colldef
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converts a collation sequence source definition
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into a format usable by the
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.Fn strxfrm
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and
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.Fn strcoll
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functions. It is used to define the many ways in which
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strings can be ordered and collated.
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.Fn strxfrm
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transforms
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its first argument and places the result in its second
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argument. The transformed string is such that it can be
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correctly ordered with other transformed strings by using
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.Fn strcmp ,
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.Fn strncmp ,
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or
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.Fn memcmp .
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.Fn strcoll
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transforms its arguments and does a
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comparison.
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.Pp
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.Ar colldef
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reads the collation sequence source definition
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from the standard input and stores the converted definition in filename.
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The output file produced contains the
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database with collating sequence information in a form
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usable by system commands and routines.
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.Pp
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The collation sequence definition specifies a set of collating elements and
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the rules defining how strings containing these should be ordered.
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This is most useful for different language definitions.
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.Pp
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The specification file can consist of three statements:
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.Ar charmap
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,
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.Ar substitute
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, and
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.Ar order
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. Of these, only the order
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statement is required. When charmap or substitute is
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supplied, these statements must be ordered as above. Any
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statements after the order statement are ignored.
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.Pp
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Lines in the specification file beginning with a # are
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treated as comments and are ignored. Blank lines are also
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ignored.
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.Pp
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.Ar charmap charmapfile
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.Ar charmap
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defines where a mapping of the character
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and collating element symbols to the actual
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character encoding can be found.
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.Pp
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The format of
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.Ar charmapfile
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is shown below. Symbol
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names are separated from their values by TAB or
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SPACE characters. symbol-value can be specified in
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a hexadecimal (\ex??) or octal (\e???)
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representation, and can be only one character in length.
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.Pp
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.Ar symbol-name1 symbol-value1
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.Ar symbol-name2 symbol-value2
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.Ar ...
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.Pp
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Symbol names cannot be specified in substitute
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fields. Symbol names also cannot be combined with
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any other representation, such as, <c>h, c<h>,
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<c>\ex68, or <c><h>. Symbol names can be used with
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primary and secondary ordering as in the following
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example.
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.Pp
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The charmap statement is optional.
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.Pp
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.Ar substitute char with repl
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The
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.Ar substitute
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statement substitutes the character
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.Ar char
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with the string
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.Ar repl
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.
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.Pp
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The substitute statement is optional.
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.Pp
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.Ar order order_list
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.Ar order_list
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is a list of symbols, separated by semi colons, that defines the collating sequence. The
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special symbol,
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.Ar ...
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, specifies, in a short-hand
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form, symbols that are sequential in machine code
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order.
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.Pp
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A symbol can be up to two characters in length and
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can be represented in any one of the following
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ways:
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.Bl -tag -width XX
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.It o The symbol itself (for example,
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.Ar a
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for the lower-case letter
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.Ar a
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).
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.It o The symbol chain (for example,
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.Ar abc
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)
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.It o In octal representation (for example,
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.Ar \e141
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for the letter
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.Ar a
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).
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.It o In hexadecimal representation (for example,
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.Ar \ex61
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for the letter
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.Ar a
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).
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.It o The symbol name as defined in the charmap file (for example,
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.Ar <abc>
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for
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.Ar \e023 abc
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record in
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.Ar charmapfile
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).
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.It o Symbols
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.Ar \ea, \eb, \ef, \en, \er, \ev
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are permitted in its usual C-language meaning.
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.El
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.Pp
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The backslash character,
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.Ar \e
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, is used for continuation. In this case, no characters are permitted
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after the backslash character. And as a quotation mark.
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.Pp
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Symbols enclosed in parentheses are assigned the
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same primary ordering but different secondary
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ordering. Symbols enclosed in curly brackets are
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assigned only the same primary ordering
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and different secondary ordering.
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.Sh EXIT STATUS
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.Ar colldef
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exits with the following values:
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.Ar 0
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No errors were found and the output was successfully created.
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.Ar !=0
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Errors were found.
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.Sh FILES
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.Ar /usr/share/locale/<language>/LC_COLLATE
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standard shared location for collation orders
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under the locale locale
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.Sh SEE ALSO
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.Xr mklocale 1 ,
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.Xr strcoll 3 ,
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.Xr strxfrm 3
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