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DataMuseum.dkPresents historical artifacts from the history of: DKUUG/EUUG Conference tapes |
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Length: 805 (0x325)
Types: TextFile
Names: »fexist.tip«
└─⟦52210d11f⟧ Bits:30007239 EUUGD2: TeX 3 1992-12
└─⟦af5ba6c8e⟧ »unix3.0/DVIWARE.tar.Z«
└─⟦ca79c7339⟧
└─⟦this⟧ »DVIware/laser-setters/dvi-to-ps/TeXPS/doc/fexist.tip«
% This macro source file is from the four volume series
% "TeX in Practice" by Stephan v. Bechtolsheim, published
% 1990 by the Springer-Verlay, New York.
% Copyright 1990 Stephan v. 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.
%
% Version 1.0
% Date: May 11, 1990
%
% This source code is documented in ?? ?? ??
\catcode`\@ = 11
\newread\@FileExistsS
\newif\if@FileExistsAnswer
\def\FileExistsConditional #1{%
TT\fi
\openin\@FileExistsS = #1
\ifeof\@FileExistsS
\@FileExistsAnswerfalse
\else
\closein\@FileExistsS
\@FileExistsAnswertrue
\fi
\if@FileExistsAnswer
}
\catcode`\@ = 12