prepare for restore

git-svn-id: svn://tug.org/texlive/trunk@6995 c570f23f-e606-0410-a88d-b1316a301751

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diff --git a/Master/bin/powerpc-aix/perltex b/Master/bin/powerpc-aix/perltex
deleted file mode 100755
index 9c85ef94500..00000000000
--- a/Master/bin/powerpc-aix/perltex
+++ /dev/null
@@ -1,476 +0,0 @@
-#! /usr/bin/env perl
-
-###########################################################
-# Prepare a LaTeX run for two-way communication with Perl #
-# By Scott Pakin <scott+pt@pakin.org>                     #
-###########################################################
-
-#-------------------------------------------------------------------
-# This is file `perltex.pl',
-# generated with the docstrip utility.
-#
-# The original source files were:
-#
-# perltex.dtx  (with options: `perltex')
-#
-# This is a generated file.
-#
-# Copyright (C) 2007 Scott Pakin <scott+pt@pakin.org>
-#
-# This file may be distributed and/or modified under the conditions
-# of the LaTeX Project Public License, either version 1.3c of this
-# license or (at your option) any later version.  The latest
-# version of this license is in:
-#
-#    http://www.latex-project.org/lppl.txt
-#
-# and version 1.3c or later is part of all distributions of LaTeX
-# version 2006/05/20 or later.
-#-------------------------------------------------------------------
-
-sub top_level_eval ($)
-{
-    return eval $_[0];
-}
-use Safe;
-use Opcode;
-use Getopt::Long;
-use Pod::Usage;
-use File::Basename;
-use Fcntl;
-use POSIX;
-use warnings;
-use strict;
-my $latexprog;
-my $runsafely = 1;
-my @permittedops;
-my $usepipe = 1;
-my $progname = basename $0;
-my $jobname = "texput";
-my $toperl;
-my $fromperl;
-my $toflag;
-my $fromflag;
-my $doneflag;
-my $logfile;
-my $pipe;
-my @latexcmdline;
-my $styfile;
-my @macroexpansions;
-my $sandbox = new Safe;
-my $sandbox_eval;
-my $latexpid;
-my $pipestring = "\%\%\%\%\% Generated by $progname\n\\endinput\n";
-$latexprog = $ENV{"PERLTEX"} || "latex";
-Getopt::Long::Configure("require_order", "pass_through");
-GetOptions("help"       => sub {pod2usage(-verbose => 1)},
-           "latex=s"    => \$latexprog,
-           "safe!"      => \$runsafely,
-           "pipe!"      => \$usepipe,
-           "synctext=s" => \$pipestring,
-           "makesty"    => sub {$styfile = "noperltex.sty"},
-           "permit=s"   => \@permittedops) || pod2usage(2);
-@latexcmdline = @ARGV;
-my $firstcmd = 0;
-for ($firstcmd=0; $firstcmd<=$#latexcmdline; $firstcmd++) {
-    my $option = $latexcmdline[$firstcmd];
-    next if substr($option, 0, 1) eq "-";
-    if (substr ($option, 0, 1) ne "\\") {
-        $jobname = basename $option, ".tex" ;
-        $latexcmdline[$firstcmd] = "\\input $option";
-    }
-    last;
-}
-push @latexcmdline, "" if $#latexcmdline==-1;
-my $separator = "";
-foreach (1 .. 20) {
-    $separator .= chr(ord("A") + rand(26));
-}
-$toperl = $jobname . ".topl";
-$fromperl = $jobname . ".frpl";
-$toflag = $jobname . ".tfpl";
-$fromflag = $jobname . ".ffpl";
-$doneflag = $jobname . ".dfpl";
-$logfile = $jobname . ".lgpl";
-$pipe = $jobname . ".pipe";
-$latexcmdline[$firstcmd] =
-    sprintf '\makeatletter' . '\def%s{%s}' x 7 . '\makeatother%s',
-    '\plmac@tag', $separator,
-    '\plmac@tofile', $toperl,
-    '\plmac@fromfile', $fromperl,
-    '\plmac@toflag', $toflag,
-    '\plmac@fromflag', $fromflag,
-    '\plmac@doneflag', $doneflag,
-    '\plmac@pipe', $pipe,
-    $latexcmdline[$firstcmd];
-foreach my $file ($toperl, $fromperl, $toflag, $fromflag, $doneflag, $pipe) {
-    unlink $file while -e $file;
-}
-open (LOGFILE, ">$logfile") || die "open(\"$logfile\"): $!\n";
-if (defined $styfile) {
-    open (STYFILE, ">$styfile") || die "open(\"$styfile\"): $!\n";
-}
-if (!$usepipe || !eval {mkfifo($pipe, 0600)}) {
-    sysopen PIPE, $pipe, O_WRONLY|O_CREAT, 0755;
-    print PIPE $pipestring;
-    close PIPE;
-    $usepipe = 0;
-}
-defined ($latexpid = fork) || die "fork: $!\n";
-unshift @latexcmdline, $latexprog;
-if (!$latexpid) {
-    exec {$latexcmdline[0]} @latexcmdline;
-    die "exec('@latexcmdline'): $!\n";
-}
-if ($runsafely) {
-    @permittedops=(":browse") if $#permittedops==-1;
-    $sandbox->permit_only (@permittedops);
-    $sandbox_eval = sub {$sandbox->reval($_[0])};
-}
-else {
-    $sandbox_eval = \&top_level_eval;
-}
-while (1) {
-    my $awaitexists = sub {
-      while (!-e $_[0]) {
-          sleep 0;
-          if (waitpid($latexpid, &WNOHANG)==-1) {
-              foreach my $file ($toperl, $fromperl, $toflag,
-                                $fromflag, $doneflag, $pipe) {
-                  unlink $file while -e $file;
-              }
-              undef $latexpid;
-              exit 0;
-          }
-      }
-    };
-    $awaitexists->($toflag);
-    my $entirefile;
-    {
-        local $/ = undef;
-        open (TOPERL, "<$toperl") || die "open($toperl): $!\n";
-        $entirefile = <TOPERL>;
-        close TOPERL;
-    }
-    my ($optag, $macroname, @otherstuff) =
-        map {chomp; $_} split "$separator\n", $entirefile;
-    $macroname =~ s/^[^A-Za-z]+//;
-    $macroname =~ s/\W/_/g;
-    $macroname = "latex_" . $macroname;
-    if ($optag eq "USE") {
-      foreach (@otherstuff) {
-          s/\\/\\\\/g;
-          s/\'/\\\'/g;
-          $_ = "'$_'";
-      }
-    }
-    my $perlcode;
-    if ($optag eq "DEF") {
-        $perlcode =
-            sprintf "sub %s {%s}\n",
-            $macroname, $otherstuff[0];
-    }
-    elsif ($optag eq "USE") {
-        $perlcode = sprintf "%s (%s);\n", $macroname, join(", ", @otherstuff);
-    }
-    elsif ($optag eq "RUN") {
-        $perlcode = $otherstuff[0];
-    }
-    else {
-        die "${progname}: Internal error -- unexpected operation tag \"$optag\"\n";
-    }
-    print LOGFILE "#" x 31, " PERL CODE ", "#" x 32, "\n";
-    print LOGFILE $perlcode, "\n";
-    undef $_;
-    my $result;
-    {
-        my $warningmsg;
-        local $SIG{__WARN__} =
-            sub {chomp ($warningmsg=$_[0]); return 0};
-        $result = $sandbox_eval->($perlcode);
-        if (defined $warningmsg) {
-            $warningmsg =~ s/at \(eval \d+\) line \d+\W+//;
-            print LOGFILE "# ===> $warningmsg\n\n";
-        }
-    }
-    $result = "" if !$result || $optag eq "RUN";
-    if ($@) {
-        my $msg = $@;
-        $msg =~ s/at \(eval \d+\) line \d+\W+//;
-        $msg =~ s/\s+/ /;
-        $result = "\\PackageError{perltex}{$msg}";
-        my @helpstring;
-        if ($msg =~ /\btrapped by\b/) {
-            @helpstring =
-                ("The preceding error message comes from Perl.  Apparently,",
-                 "the Perl code you tried to execute attempted to perform an",
-                 "`unsafe' operation.  If you trust the Perl code (e.g., if",
-                 "you wrote it) then you can invoke perltex with the --nosafe",
-                 "option to allow arbitrary Perl code to execute.",
-                 "Alternatively, you can selectively enable Perl features",
-                 "using perltex's --permit option.  Don't do this if you don't",
-                 "trust the Perl code, however; malicious Perl code can do a",
-                 "world of harm to your computer system.");
-        }
-        else {
-            @helpstring =
-              ("The preceding error message comes from Perl.  Apparently,",
-               "there's a bug in your Perl code.  You'll need to sort that",
-               "out in your document and re-run perltex.");
-        }
-        my $helpstring = join ("\\MessageBreak\n", @helpstring);
-        $helpstring =~ s/\.  /.\\space\\space /g;
-        $result .= "{$helpstring}";
-    }
-    push @macroexpansions, $result if defined $styfile && $optag eq "USE";
-    print LOGFILE "%" x 30, " LATEX RESULT ", "%" x 30, "\n";
-    print LOGFILE $result, "\n\n";
-    $result .= '\endinput';
-    open (FROMPERL, ">$fromperl") || die "open($fromperl): $!\n";
-    syswrite FROMPERL, $result;
-    close FROMPERL;
-    unlink $toflag while -e $toflag;
-    unlink $toperl while -e $toperl;
-    unlink $doneflag while -e $doneflag;
-    open (FROMFLAG, ">$fromflag") || die "open($fromflag): $!\n";
-    close FROMFLAG;
-    if (open (PIPE, ">$pipe")) {
-        print PIPE $pipestring;
-        close PIPE;
-    }
-    $awaitexists->($toperl);
-    unlink $fromflag while -e $fromflag;
-    open (DONEFLAG, ">$doneflag") || die "open($doneflag): $!\n";
-    close DONEFLAG;
-    if (open (PIPE, ">$pipe")) {
-        print PIPE $pipestring;
-        close PIPE;
-    }
-}
-END {
-    close LOGFILE;
-    if (defined $latexpid) {
-        kill (9, $latexpid);
-        exit 1;
-    }
-
-    if (defined $styfile) {
-        print STYFILE <<"STYFILEHEADER1";
-\\NeedsTeXFormat{LaTeX2e}[1999/12/01]
-\\ProvidesPackage{noperltex}
-    [2007/09/29 v1.4 Perl-free version of PerlTeX specific to $jobname.tex]
-STYFILEHEADER1
-        ;
-        print STYFILE <<'STYFILEHEADER2';
-\RequirePackage{filecontents}
-
-\let\noperltex@PackageError=\PackageError
-\renewcommand{\PackageError}[3]{}
-\RequirePackage{perltex}
-\let\PackageError=\noperltex@PackageError
-
-\newcount\plmac@macro@invocation@num
-\gdef\plmac@show@placeholder#1#2\@empty{%
-  \ifx#1U\relax
-    \endgroup
-    \advance\plmac@macro@invocation@num by 1\relax
-    \global\plmac@macro@invocation@num=\plmac@macro@invocation@num
-    \input{noperltex-\the\plmac@macro@invocation@num.tex}%
-  \else
-    \endgroup
-  \fi
-}
-STYFILEHEADER2
-        ;
-        foreach my $e (0 .. $#macroexpansions) {
-            print STYFILE "\n";
-            printf STYFILE "%% Invocation #%d\n", 1+$e;
-                printf STYFILE "\\begin{filecontents}{noperltex-%d.tex}\n", 1+$e;
-            print STYFILE $macroexpansions[$e], "\\endinput\n";
-            print STYFILE "\\end{filecontents}\n";
-        }
-        print STYFILE "\\endinput\n";
-        close STYFILE;
-    }
-
-    exit 0;
-}
-
-__END__
-
-=head1 NAME
-
-perltex - enable LaTeX macros to be defined in terms of Perl code
-
-=head1 SYNOPSIS
-
-perltex
-[B<--help>]
-[B<--latex>=I<program>]
-[B<-->[B<no>]B<safe>]
-[B<--permit>=I<feature>]
-[B<--makesty>]
-[I<latex options>]
-
-=head1 DESCRIPTION
-
-LaTeX -- through the underlying TeX typesetting system -- produces
-beautifully typeset documents but has a macro language that is
-difficult to program.  In particular, support for complex string
-manipulation is largely lacking.  Perl is a popular general-purpose
-programming language whose forte is string manipulation.  However, it
-has no typesetting capabilities whatsoever.
-
-Clearly, Perl's programmability could complement LaTeX's typesetting
-strengths.  B<perltex> is the tool that enables a symbiosis between
-the two systems.  All a user needs to do is compile a LaTeX document
-using B<perltex> instead of B<latex>.  (B<perltex> is actually a
-wrapper for B<latex>, so no B<latex> functionality is lost.)  If the
-document includes a C<\usepackage{perltex}> in its preamble, then
-C<\perlnewcommand> and C<\perlrenewcommand> macros will be made
-available.  These behave just like LaTeX's C<\newcommand> and
-C<\renewcommand> except that the macro body contains Perl code instead
-of LaTeX code.
-
-=head1 OPTIONS
-
-B<perltex> accepts the following command-line options:
-
-=over 4
-
-=item B<--help>
-
-Display basic usage information.
-
-=item B<--latex>=I<program>
-
-Specify a program to use instead of B<latex>.  For example,
-C<--latex=pdflatex> would typeset the given document using
-B<pdflatex> instead of ordinary B<latex>.
-
-=item B<-->[B<no>]B<safe>
-
-Enable or disable sandboxing.  With the default of B<--safe>,
-B<perltex> executes the code from a C<\perlnewcommand> or
-C<\perlrenewcommand> macro within a protected environment that
-prohibits ``unsafe'' operations such as accessing files or executing
-external programs.  Specifying B<--nosafe> gives the LaTeX document
-I<carte blanche> to execute any arbitrary Perl code, including that
-which can harm the user's files.  See L<Safe> for more information.
-
-=item B<--permit>=I<feature>
-
-Permit particular Perl operations to be performed.  The B<--permit>
-option, which can be specified more than once on the command line,
-enables finer-grained control over the B<perltex> sandbox.  See
-L<Opcode> for more information.
-
-=item B<--makesty>
-
-Generate a LaTeX style file called F<noperltex.sty>.  Replacing the
-document's C<\usepackage{perltex}> line with C<\usepackage{noperltex}>
-produces the same output but does not require PerlTeX, making the
-document suitable for distribution to people who do not have PerlTeX
-installed.  The disadvantage is that F<noperltex.sty> is specific to
-the document that produced it.  Any changes to the document's PerlTeX
-macro definitions or macro invocations necessitates rerunning
-B<perltex> with the B<--makesty> option.
-
-=back
-
-These options are then followed by whatever options are normally
-passed to B<latex> (or whatever program was specified with
-C<--latex>), including, for instance, the name of the F<.tex> file to
-compile.
-
-=head1 EXAMPLES
-
-In its simplest form, B<perltex> is run just like B<latex>:
-
-    perltex myfile.tex
-
-To use B<pdflatex> instead of regular B<latex>, use the B<--latex>
-option:
-
-    perltex --latex=pdflatex myfile.tex
-
-If LaTeX gives a ``C<trapped by operation mask>'' error and you trust
-the F<.tex> file you're trying to compile not to execute malicious
-Perl code (e.g., because you wrote it yourself), you can disable
-B<perltex>'s safety mechansisms with B<--nosafe>:
-
-    perltex --nosafe myfile.tex
-
-The following command gives documents only B<perltex>'s default
-permissions (C<:browse>) plus the ability to open files and invoke the
-C<time> command:
-
-    perltex --permit=:browse --permit=:filesys_open
-      --permit=time myfile.tex
-
-=head1 ENVIRONMENT
-
-B<perltex> honors the following environment variables:
-
-=over 4
-
-=item PERLTEX
-
-Specify the filename of the LaTeX compiler.  The LaTeX compiler
-defaults to ``C<latex>''.  The C<PERLTEX> environment variable
-overrides this default, and the B<--latex> command-line option (see
-L</OPTIONS>) overrides that.
-
-=back
-
-=head1 FILES
-
-While compiling F<jobname.tex>, B<perltex> makes use of the following
-files:
-
-=over 4
-
-=item F<jobname.lgpl>
-
-log file written by Perl; helpful for debugging Perl macros
-
-=item F<jobname.topl>
-
-information sent from LaTeX to Perl
-
-=item F<jobname.frpl>
-
-information sent from Perl to LaTeX
-
-=item F<jobname.tfpl>
-
-``flag'' file whose existence indicates that F<jobname.topl> contains
-valid data
-
-=item F<jobname.ffpl>
-
-``flag'' file whose existence indicates that F<jobname.frpl> contains
-valid data
-
-=item F<jobname.dfpl>
-
-``flag'' file whose existence indicates that F<jobname.ffpl> has been
-deleted
-
-=item F<noperltex-#.tex>
-
-file generated by F<noperltex.sty> for each PerlTeX macro invocation
-
-=back
-
-=head1 NOTES
-
-B<perltex>'s sandbox defaults to what L<Opcode> calls ``C<:browse>''.
-
-=head1 SEE ALSO
-
-latex(1), pdflatex(1), perl(1), Safe(3pm), Opcode(3pm)
-
-=head1 AUTHOR
-
-Scott Pakin, I<scott+pt@pakin.org>