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#!/usr/bin/env perl -s
#
# Copyright 2022-2023 Japanese TeX Development Community <issue@texjp.org>
# You may freely use, modify and/or distribute this file.
use strict;
use warnings;
use 5.008;
use Encode;
my $st = 0;
our $windows; # option -windows
our $randgen; # option -randgen
foreach $_ (<DATA>) {
chomp;
my ($encname, $fname0, $fname1) = split ' ', $_;
$fname0 = "$ARGV[0]/$fname0" if @ARGV;
my $src = &make_str($encname, $fname0, $fname1);
open(my $ofh, '>', $fname0) or die "Cannot open $fname0:$!";
print $ofh $src;
}
exit($st ? 239 : 0);
sub make_str ($$;$) {
my ($encname, $fname0, $fname1) = @_;
my ($src, $rand) = ('', '');
my ($fnameT) = $fname0;
my $cmnt = $windows ? '%' : ''; # comment out if option -windows
$rand= '\rnd' if (!$fname1 && $randgen);
$fnameT =~ s/\.tex$/-tmp$rand.tex/;
$src = <<END;
\% $fname0
\% $encname encoding
\\catcode`\\{=1
\\catcode`\\}=2
\\immediate\\write16{JOB[\\jobname] :: We are in $fname0}
\\immediate\\openout0=\\jobname.txt
\\immediate\\write0{abc αβγ абв あア※￥ 天地人}
\\immediate\\closeout0
END
$src .= <<END if (!$fname1 && $randgen);
\\edef\\rnd{\\the\\numexpr\\${randgen}900000+100000\\relax}
END
$src .= <<END;
\\immediate\\openout1=$fnameT
\\immediate\\write1{\\relax}
\\immediate\\closeout1
% current directory
$cmnt\\input "|cat $fnameT"
\\input $fnameT
END
$src .= <<END if $fname1;
% vir kpathsearch
\\immediate\\write16{JOB[\\jobname] :: Search $fname1}
\\input $fname1
END
$src .= <<END;
\\relax\\end
END
if ($encname !~ /UTF.*8/i) {
my $ret = Encode::from_to($src, 'utf8', $encname);
if (!$ret) {
warn "fn-generate.perl: Encode::from_to() failed.\n";
$st++;
}
}
return ($src);
}
__DATA__
UTF-8 fn±×÷§¶-utf8.tex
UTF-8 fn-utf8.tex fn±×÷§¶-utf8.tex
UTF-8 fn£¥µÆÇñß-utf8.tex fn±×÷§¶-utf8.tex
UTF-8 fnΔДदダ打다𝕯🎉-utf8.tex fn±×÷§¶-utf8.tex
UTF-8 fnさざ波-utf8.tex fn±×÷§¶-utf8.tex
EUC-JP fnさざ波-euc.tex fn±×÷§¶-utf8.tex
Shift_JIS fnさざ波-sjis.tex fn±×÷§¶-utf8.tex
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