Nicholas Clark > perl-5.8.9 > Search::Dict

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By perlmonks.org
Module Version: 1.02   Source   Latest Release: perl-5.14.4

NAME ^

Search::Dict, look - search for key in dictionary file

SYNOPSIS ^

    use Search::Dict;
    look *FILEHANDLE, $key, $dict, $fold;

    use Search::Dict;
    look *FILEHANDLE, $params;

DESCRIPTION ^

Sets file position in FILEHANDLE to be first line greater than or equal (stringwise) to $key. Returns the new file position, or -1 if an error occurs.

The flags specify dictionary order and case folding:

If $dict is true, search by dictionary order (ignore anything but word characters and whitespace). The default is honour all characters.

If $fold is true, ignore case. The default is to honour case.

If there are only three arguments and the third argument is a hash reference, the keys of that hash can have values dict, fold, and comp or xfrm (see below), and their correponding values will be used as the parameters.

If a comparison subroutine (comp) is defined, it must return less than zero, zero, or greater than zero, if the first comparand is less than, equal, or greater than the second comparand.

If a transformation subroutine (xfrm) is defined, its value is used to transform the lines read from the filehandle before their comparison.

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