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.\" ========================================================================
.\"
.IX Title "Cz::Sort 3pm"
.TH Cz::Sort 3pm "2000-05-16" "perl v5.14.2" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
Cz::Sort \- Czech sort
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 4
\&        use Cz::Sort;
\&        my $result = czcmp("_x j&a\*'", "_&p");
\&        my @sorted = czsort qw(plachta plao\*`ka Pla\*'nie\*`ka pla\*'nie\*`ka pla\*'ni\*`);
\&        print "@sorted\en";
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Implements czech sorting conventions, indepentent on current locales
in effect, which are often bad. Does the four-pass sort. The idea and
the base of the conversion table comes from Petr Olsak's program \fBcsr\fR
and the code is as compliant with \s-1CSN\s0 97 6030 as possible.
.PP
The basic function provided by this module, is \fIczcmp\fR. If compares
two scalars and returns the (\-1, 0, 1) result. The function can be
called directly, like
.PP
.Vb 1
\&        my $result = czcmp("_x j&a\*'", "_&p");
.Ve
.PP
But for convenience and also because of compatibility with older
versions, there is a function \fIczsort\fR. It works on list of strings
and returns that list, hmm, sorted. The function is defined simply
like
.PP
.Vb 2
\&        sub czsort
\&                { sort { czcmp($a, $b); } @_; }
.Ve
.PP
standard use of user's function in \fIsort\fR. Hashes would be simply
sorted
.PP
.Vb 2
\&        @sorted = sort { czcmp($hash{$a}, $hash{$b}) }
\&                                                keys %hash;
.Ve
.PP
Both \fIczcmp\fR and \fIczsort\fR are exported into caller's namespace
by default, as well as \fIcscmp\fR and \fIcssort\fR that are just aliases.
.PP
This module comes with encoding table prepared for \s-1ISO\-8859\-2\s0
(Latin\-2) encoding. If your data come in different one, you might
want to check the module \fBCstocs\fR which can be used for reencoding
of the list's data prior to calling \fIczsort\fR, or reencode this
module to fit your needs.
.SH "VERSION"
.IX Header "VERSION"
0.68
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fIperl\fR\|(1), \fICz::Cstocs\fR\|(3).
.SH "AUTHOR"
.IX Header "AUTHOR"
(c) 1997\-\-2000 Jan Pazdziora <adelton@fi.muni.cz>,
http://www.fi.muni.cz/~adelton/
.PP
at Faculty of Informatics, Masaryk University, Brno