Usage: WHERE [/r dir] [/qte] pattern ...
    /r - recurse starting with directory dir
    /q - quiet, use exit code
    /t - times, display size and time
    /e - .EXE, display .EXE type
    /Q - double quote the output
    WHERE bar                 Find ALL bar along path
    WHERE $foo:bar            Find ALL bar along foo
    WHERE /r \ bar            Find ALL bar on current drive
    WHERE /r . bar            Find ALL bar recursing on current directory
    WHERE /r d:\foo\foo bar   Find ALL bar recursing on d:\foo\foo
        Wildcards, * ?, allowed in bar in all of above.