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Diffstat (limited to 'info/examples/tip/readnu.tip')
-rw-r--r-- | info/examples/tip/readnu.tip | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/info/examples/tip/readnu.tip b/info/examples/tip/readnu.tip new file mode 100644 index 0000000000..bf55ecd290 --- /dev/null +++ b/info/examples/tip/readnu.tip @@ -0,0 +1,38 @@ +% 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 28.2.7, p. III-455. +% Original source in file "io1.TEX", starting line 470. +\wlog{L: "readnu.tip" ["io1.TEX," l. 470, p. III-455]}% +% This file DOES belong to format "texip." +\catcode`\@ = 11 +\newread\@ReadNumberStream +\newcount\ReadANumberResult +\def\InitReadNumbers #1{% + \openin\@ReadNumberStream = #1 +} +\def\@ReadANumberPar{\par} +\def\ReadANumber{% + \ifeof\@ReadNumberStream + \ReadANumberResult = -1 + \else + \read\@ReadNumberStream to \@ReadANumberTemp + \ifx\@ReadANumberTemp\@ReadANumberPar + \ReadANumberResult = -1 + \else + \ReadANumberResult = \@ReadANumberTemp + \fi + \fi +} +\catcode`\@ = 12 |