% This macro source file is from the four volume series
% "TeX in Practice" by Stephan von Bechtolsheim, published
% 1993 by Springer-Verlag, New York.
% Copyright 1993 Stephan von Bechtolsheim.
% No warranty or liability is assumed.
% This macro may be copied freely if no fees other than
% media cost or shipping charges are charged and as long
% as this copyright and the following source code itself
% is not changed. Please see the series for further information.
%
% Version: 1.0
% Date: May 1, 1993
%
%
% This source code is documented in 18.3.8, p. III-41.
% Original source in file "tokens1.TEX", starting line 2427.
\wlog{L: "verb-mac.tip" ["tokens1.TEX," l. 2427, p. III-41]}%
% This file DOES belong to format "texip."
\InputD{ts-fonts.tip}
\InputD{verbdisp.tip}
\InputD{fexist.tip}
\catcode`\@ = 11
\def\ListVerb #1{% 
    \@StartVerbatim{1}% 
    \input #1
    \@DoneVerbatim
}
\def\ListVerbIfFileExists #1{% 
    \par
    \if\FileExistsConditional{#1}%
        \ListVerb{#1}% 
    \else
        \centerline{$\bullet$ File {\tt #1} not found. $\bullet$}%
        \wlog{\string\ListVerbIfFileExists: no file "#1".}%
    \fi
}
\def\ListVerbAndSource #1{% 
    \ListVerb{#1}% 
    \input #1
}
\catcode`\@ = 12