This file is indexed.

/usr/bin/roff2dvi is in groff 1.22.3-10.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
#! /usr/bin/env perl

# roff2* - transform roff files into other formats

# Source file position: <groff-source>/contrib/groffer/roff2.pl
# Installed position: <prefix>/bin/roff2*

# Copyright (C) 2006-2014  Free Software Foundation, Inc.
# Written by Bernd Warken <groff-bernd.warken-72@web.de>.

# This file is part of `groffer', which is part of `groff'.

# `groff' is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# `groff' is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program. If not, see
# <http://www.gnu.org/licenses/gpl-2.0.html>.

########################################################################

require v5.6;

use strict;
use warnings;
use File::Spec;

# temporary dir and files
use File::Temp qw/ tempfile /;

my $Dev_Null = File::Spec->devnull();
my $Mode;
my $Name;
{
  my ($v, $d);
  ($v, $d, $Name) = File::Spec->splitpath($0);
  die "wrong program name: $Name;"
    if $Name !~ /^roff2[a-z]/;
}
$Mode = $Name;
$Mode =~ s/^roff2//;

my $Groff_Version = `groff --version 2>$Dev_Null`;
die "$Name error: groff does not work;" if $?;
my $Groffer_Version = `groffer --version 2>$Dev_Null`;
my $Has_Groffer = ! $?;

if ($Has_Groffer) {
  foreach (@ARGV) {
    last if $_ eq '--';
    next if $_ eq '-';
    if ($_ eq '-v' || '--version' =~ m|^$_|) {
      print $Name, ' in ', $Groffer_Version;
      exit 0;
    }
    if ($_ eq '-h' || '--help' =~ m|^$_|) {
      &usage_with_groffer();
      exit 0;
    }
  }
  system('groffer', '--to-stdout', "--$Mode", @ARGV);
  exit $?;
} else {
  my @filespec;
  my $double_minus;
  foreach (@ARGV) {
    if ($double_minus) {
      push @filespec, $_;
      next;
    }
    if ($_ eq '--') {
      $double_minus = 1;
      next;
    }
    if ($_ eq '-') {
      push @filespec, '-';
      next;
    }
    if ($_ eq '-v' || '--version' =~ m|^$_|) {
      print $Name, ' in ', $Groff_Version;
      exit 0;
    }
    if ($_ eq '-h' || '--help' =~ m|^$_|) {
      &usage_without_groffer();
      exit 0;
    }
    if ($_ =~ /^-/) {
      &error_no_groffer();
      &error_no_options();
      next;
    }
    if (-f && -r) {
      push @filespec, $_;
    } else {
      &error_no_groffer();
      print STDERR "$_ is not an existing, readable file.\n";
    }
  }

  @filespec = ('-') unless @filespec;
  my $has_stdin;
  foreach (@filespec) {
    if ($_ eq '-') {
      $has_stdin =1;
      last;
    }
  }

  if ($has_stdin) {
    my $tempdir;
    foreach ($ENV{'GROFF_TMPDIR'}, $ENV{'TMPDIR'}, $ENV{'TMP'},
	     $ENV{'TEMP'}, $ENV{'TEMPDIR'},
	     File::Spec->catfile($ENV{'HOME'}, 'tmp')) {
      if ($_ && -d $_ && -w $_) {
	$tempdir = $_;
	last;
      }
    }
    my $template = $Name . '_XXXX';
    my ($fh, $stdin);
    if ($tempdir) {
      ($fh, $stdin) = tempfile($template, UNLINK => 1, DIR => $tempdir) ||
	die "$Name: could not create temporary file;";
    } else {
      ($fh, $stdin) = tempfile($template, UNLINK => 1) ||
	die "$Name: could not create temporary file;";
    }
    open $fh, ">$stdin";
    print $fh $_ foreach <STDIN>;

    foreach (@filespec) {
      $_ = $stdin if $_ eq '-';
    }
  }				# if $has_stdin

  my $grog;
  my $groff_options = "-T$Mode";
  $groff_options = '-TX75-12 -Z' if $Mode eq 'x';
  $groff_options = '-Tlatin1' if $Mode eq 'text';
  if ($Mode eq 'pdf') {
    my $ps2pdf;
    my @path = File::Spec->path();
    foreach (@path) {
      my $file = File::Spec->catfile($_, 'ps2pdf');
      if (-f $file && -x $file) {
	$ps2pdf = "$file -";
	last;
      }
    }
    unless ($ps2pdf) {
      foreach (@path) {
	my $file = File::Spec->catfile($_, 'gs');
	if (-f $file && -x $file) {
	  $ps2pdf = $file . ' -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite ' .
	    '-sOutputFile=- -c save pop -f -';
	  last;
	}
      }
    }
    $grog = `grog -Tps @filespec`;
    chomp $grog;
    system("$grog | $ps2pdf");
    exit $?;
  } else {
    $grog = `grog $groff_options @filespec`;
    chomp $grog;
    system($grog);
    exit $?;
  }
}

my $error_no_groffer;
sub error_no_groffer {
  return 1 if $error_no_groffer;
  $error_no_groffer = 1;
  print STDERR "$Name: groffer is not available.\n";
}

my $error_no_options;
sub error_no_options {
  return 1 if $error_no_options;
  $error_no_groffer = 1;
  print STDERR "$Name: groffer options are not allowed.\n";
}

sub usage_with_groffer {
  print <<EOF;
usage: $Name [option]... [--] [filespec]...

-h | --help     print usage information
-v | --version  print version information

All other options are arbitrary options of `groffer'; the options
override the behavior of this program.

filespec's are the same as in `groffer': either the names of existing,
readable files or `-' for standard input or a search pattern for man
pages.  No `filespec' assumes standard input automatically.
EOF
}

sub usage_without_groffer {
  print <<EOF;
usage: $Name [option]... [--] [filespec]...

-h | --help     print usage information
-v | --version  print version information

No other options are allowed because `groffer' is not available.

The only `filespec's allowed are the names of existing, readable files
or `-' for standard input.  No `filespec' assumes standard input
automatically.
EOF
}


1;
########################################################################
### Emacs settings
# Local Variables:
# mode: CPerl
# End: