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authorKarl Berry <karl@freefriends.org>2021-06-17 20:48:26 +0000
committerKarl Berry <karl@freefriends.org>2021-06-17 20:48:26 +0000
commit333487fa7d67a14476a0bd7734bffff2fabfd64f (patch)
treec19b5ea90736b33fa18be27b34ceb096e17bcdd0 /Master/texmf-dist/doc/latex/gs1/int_set_to_EAN_control_digit.tex
parent2b525643dd1aa6f46e24a42d3275777f53d5ff92 (diff)
gs1 [was GS1] (17jun21)
git-svn-id: svn://tug.org/texlive/trunk@59620 c570f23f-e606-0410-a88d-b1316a301751
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+%%
+%% This is file `int_set_to_EAN_control_digit.tex',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% GS1.dtx (with options: `test,int.set.to.EAN.control.digit')
+%%
+%% EXPERIMENTAL CODE
+%%
+%% This Work depends on the correct version of expl3 release. If
+%% you'll update expl3 you may need a update of this this Work too.
+%%
+%% Do not distribute this file without also distributing the
+%% source files specified above.
+%%
+%% Do not distribute modified version of this file.
+%%
+%% File: GS1.dtx Copyright (C) 2012-2017 Markus Kohm
+%%
+%% It may be distributed and/or modified under the conditions of the
+%% LaTeX Project Public License (LPPL), either version 1.3c of this
+%% license or (at your option) any later version. The latest version
+%% of this license is in the file
+%%
+%% http://www.latex-project.org/lppl.txt
+%%
+%% This file is part of the "GS1 bundle" (The Work in LPPL)
+%% and all files in that bundle must be distributed together.
+%%
+%% The released version of this bundle is available from CTAN.
+%%
+%% -------------------------------------------------------------------------
+\RequirePackage{expl3}[2017/05/29]
+\GetIdInfo$Id: GS1.dtx 23 2021-06-17 07:00:36Z mjk $
+ {GS1 code handler and barcode generator}
+\documentclass{article}
+\usepackage{GS1}
+\ExplSyntaxOn
+\msg_new:nnn { GS1/test } { function }
+ {
+ Something~is~wrong~with~function~#1
+ \msg_line_context:~~of~\c_sys_jobname_str.tex.
+ }
+\ExplSyntaxOff
+\begin{document}
+\ExplSyntaxOn
+\seq_new:N \l_testa_seq
+\tl_new:N \l_control_tl
+\GS_set_code_digit_seq:Nn \l_testa_seq {ISBN 978-3-86541-459-5}
+\seq_pop_right:NN \l_testa_seq \l_control_tl
+\int_new:N \l_control_int
+\int_set_to_EAN_control_digit:NN \l_control_int \l_testa_seq
+Control~digit~should~be~\tl_use:N \l_control_tl{} ~
+\int_compare:nNnTF { \l_control_tl } { = } { \l_control_int }
+ {
+ ~and~is~\int_use:N \l_control_int .
+ }
+ {
+ ~but~it~\int_use:N \l_control_int .
+ \msg_error:nnn { GS1/test } { function }
+ { \int_set_to_EAN_control_digit:NN }
+ }
+\ExplSyntaxOff
+\end{document}
+%%
+%%
+%% End of file `int_set_to_EAN_control_digit.tex'.