SYNOPSIS

        use String::Wildcard::Bash qw(
            $RE_WILDCARD_BASH
            contains_wildcard
            convert_wildcard_to_sql
        );
    
        say 1 if contains_wildcard(""));      # -> 0
        say 1 if contains_wildcard("ab*"));   # -> 1
        say 1 if contains_wildcard("ab\\*")); # -> 0
    
        say convert_wildcard_to_sql("foo*");  # -> "foo%"

DESCRIPTION

FUNCTIONS

 contains_wildcard($str) => bool

    Return true if $str contains wildcard pattern. Wildcard patterns
    include * (meaning zero or more characters), ? (exactly one character),
    [...] (character class), {...,} (brace expansion). Can handle
    escaped/backslash (e.g. foo\* does not contain wildcard, it's foo
    followed by a literal asterisk *).

    Aside from wildcard, bash does other types of expansions/substitutions
    too, but these are not considered wildcard. These include tilde
    expansion (e.g. ~ becomes /home/alice), parameter and variable
    expansion (e.g. $0 and $HOME), arithmetic expression (e.g. $[1+2]),
    history (!), and so on.

    Although this module has 'Bash' in its name, this set of wildcards
    should be applicable to other Unix shells. Haven't checked completely
    though.

 convert_wildcard_to_sql($str) => str

    Convert bash wildcard to SQL. This includes:

      * converting unescaped * to %

      * converting unescaped ? to _

      * escaping unescaped <%>

      * escaping unescaped _

    Unsupported constructs currently will be passed as-is.

SEE ALSO

    Regexp::Wildcards to convert a string with wildcard pattern to
    equivalent regexp pattern. Can handle Unix wildcards as well as SQL and
    DOS/Win32. As of this writing (v1.05), it does not handle character
    class ([...]) and interprets brace expansion differently than bash.

    Other String::Wildcard::* modules.