Max Maischein

NAME

Text::CleanFragment - clean up text to use as URL fragment or filename

SYNOPSIS

  my $title = "Do p\x{00FC}t <this> into URL's?";
  my $id = 42;
  my $url = join "/",
              $id,
              clean_fragment( $title );
  # 42/Do_put_this_into_URLs

This module downgrades strings of text to match

  /^[-._A-Za-z0-9]*$/

or, to be more exact

  /^([A-Za-z0-9]([-._A-Za-z0-9]*[A-Za-z0-9])?$/

This makes the return values safe to be used as URL fragments or as file names on many file systems where whitespace and characters outside of the Latin alphabet are undesired or problematic.

FUNCTIONS

clean_fragment( @fragments )

    my $url_title = join("_", clean_fragment("Ümloud vs. ß",'by',"Grégory"));
    # Umloud_vs._ss_by_Gregory

Returns a cleaned up list of elements. The input elements are expected to be encoded as Unicode strings. Decode them using Encode if you read the fragments as file names from the filesystem.

The operations performed are:

  • Use Text::Unidecode to downgrade the text from Unicode to 7-bit ASCII.

  • Eliminate single and double quotes, apostrophes.

  • Replace all non-letters, non-digits by underscores, including whitespace and control characters.

  • Squash dashes to a single dash

  • Squash _-_ and _-_(-_)+ to -

  • Eliminate leading underscores

  • Eliminate trailing underscores

  • Eliminate underscores before - or .

In scalar context, returns the first element of the cleaned up list.

REPOSITORY

The public repository of this module is http://github.com/Corion/text-cleanfragment.

SUPPORT

The public support forum of this module is http://perlmonks.org/.

BUG TRACKER

Please report bugs in this module via the RT CPAN bug queue at https://rt.cpan.org/Public/Dist/Display.html?Name=Text-CleanFragment or via mail to text-cleanfragment-Bugs@rt.cpan.org.

AUTHOR

Max Maischein corion@cpan.org

COPYRIGHT (c)

Copyright 2012 by Max Maischein corion@cpan.org.

LICENSE

This module is released under the same terms as Perl itself.