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LANGUAGE OS.iso
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tcl70b2.lha
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tcl7.0b2
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lsort.n
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1993-05-07
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'\"
'\" Copyright (c) 1993 The Regents of the University of California.
'\" All rights reserved.
'\"
'\" Permission is hereby granted, without written agreement and without
'\" license or royalty fees, to use, copy, modify, and distribute this
'\" documentation for any purpose, provided that the above copyright
'\" notice and the following two paragraphs appear in all copies.
'\"
'\" IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
'\" FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
'\" ARISING OUT OF THE USE OF THIS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
'\" CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
'\"
'\" THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
'\" INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
'\" AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
'\" ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
'\" PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
'\"
'\" $Header: /user6/ouster/tcl/man/RCS/lsort.n,v 1.2 93/05/07 16:48:45 ouster Exp $ SPRITE (Berkeley)
'\"
.so man.macros
.HS lsort tcl 7.0
.BS
'\" Note: do not modify the .SH NAME line immediately below!
.SH NAME
lsort \- Sort the elements of a list
.SH SYNOPSIS
\fBlsort \fR?\fIswitches\fR? \fIlist\fR
.BE
.SH DESCRIPTION
.PP
This command sorts the elements of \fIlist\fR, returning a new
list in sorted order. By default ASCII sorting is used with
the result returned in increasing order.
.VS
However, any of the
following switches may be specified before \fIlist\fR to
control the sorting process (unique abbreviations are accepted):
.TP 20
\fB\-ascii\fR
Use string comparison with ASCII collation order. This is
the default.
.TP 20
\fB\-integer\fR
Convert list elements to integers and use integer comparison.
.TP 20
\fB\-real\fR
Convert list elements to floating-point values and use floating
comparison.
.TP 20
\fB\-command\0\fIcommand\fR
Use \fIcommand\fR as a comparison command.
To compare two elements, evaluate a Tcl script consisting of
\fIcommand\fR with the two elements appended as additional
arguments. The script should return an integer less than,
equal to, or greater than zero if the first element is to
be considered less than, equal to, or greater than the second,
respectively.
.TP 20
\fB\-increasing\fR
Sort the list in increasing order (``smallest'' items first).
This is the default.
.TP 20
\fB\-decreasing\fR
Sort the list in decreasing order (``largest'' items first).
.VE
.SH KEYWORDS
element, list, order, sort