Name

compress_space — eliminate leading and trailing whitespace and compress all "in-string" whitespace occurrences to exactly 1 space each

DESCRIPTION

The filter eliminates leading and trailing whitespace, and compresses all occurrences of whitespace in a string to exactly 1 space on each occurrence.

EXAMPLES

Example: Filter example

[filter compress_space]   LEADING   Hello,  World!   TRAILING  [/filter]

          

NOTES

For more information on Perl Regular Expressions, pattern matching and character classes, see perlre(1).

AVAILABILITY

compress_space is available in Interchange versions:

4.6.0-5.7.0 (git-head)

SOURCE

Interchange 5.7.0:

Source: code/Filter/compress_space.filter
Lines: 21


# Copyright 2002-2007 Interchange Development Group and others
# Copyright 1996-2002 Red Hat, Inc.
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.  See the LICENSE file for details.
# 
# $Id: compress_space.filter,v 1.4 2007-03-30 23:40:44 pajamian Exp $

CodeDef compress_space Filter
CodeDef compress_space Description Collapse whitespace
CodeDef compress_space Routine <<EOR
sub {
my $val = shift;
$val =~ s/\s+$//g;
$val =~ s/^\s+//g;
$val =~ s/\s+/ /g;
return $val;
}
EOR

AUTHORS

Interchange Development Group

SEE ALSO

DocBook! Interchange!