(???) HP Warning:  Undefined array key 1 in /sdf/ftp/pub/users/tfurrows/files/DOS/Utilities/gophermap on line 59
 (???) HP Warning:  Undefined variable $dirDisp in /sdf/ftp/pub/users/tfurrows/files/DOS/Utilities/gophermap on line 102
 (???) HP Fatal error:  Uncaught TypeError: implode(): If argument #1 ($separator) is of type string, argument #2 ($array) must be of type array, null given in /sdf/ftp/pub/users/tfurrows/files/DOS/Utilities/gophermap:102
 (???) tack trace:
 (???) 0 {main}
 (???)  thrown in /sdf/ftp/pub/users/tfurrows/files/DOS/Utilities/gophermap on line 102
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       DOS > Utilities - Various tools for working in DOS
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