/usr/bin/patftp is in dist 1:3.5-36.0001-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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eval 'exec perl -S $0 ${1+"$@"}'
if $running_under_some_shell;
# $Id: patftp.SH 31 2010-03-06 20:15:24Z rmanfredi $
#
# Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi
#
# You may redistribute only under the terms of the Artistic Licence,
# as specified in the README file that comes with the distribution.
# You may reuse parts of this distribution only within the terms of
# that same Artistic Licence; a copy of which may be found at the root
# of the source tree for dist 4.0.
#
# Original Author: Larry Wall <lwall@netlabs.com>
#
# $Log: patftp.SH,v $
# Revision 3.0.1.3 1994/01/24 14:30:43 ram
# patch16: now prefix error messages with program's name
# patch16: added ~/.dist_profile awareness
#
# Revision 3.0.1.2 1993/08/24 12:16:57 ram
# patch3: removed useless orgname variable
#
# Revision 3.0.1.1 1993/08/19 06:42:36 ram
# patch1: leading config.sh searching was not aborting properly
#
# Revision 3.0 1993/08/18 12:10:44 ram
# Baseline for dist 3.0 netwide release.
#
$version = '3.5';
$patchlevel = '0';
$progname = &profile; # Read ~/.dist_profile
require 'getopts.pl';
&usage unless &Getopts("hV");
if ($opt_V) {
print STDERR "$progname $version PL$patchlevel\n";
exit 0;
} elsif ($opt_h) {
&usage;
}
$RCSEXT = ',v' unless $RCSEXT;
chdir '..' if -d '../bugs';
&readpackage;
if ($#ARGV < 0) {
open(PL,"patchlevel.h") || die "$progname: can't open patchlevel.h: $!\n";
while (<PL>) {
$argv = $1 if /^#define\s+PATCHLEVEL\s+(\d+)/;
}
close PL;
die "$progname: malformed patchlevel.h file.\n" if $argv eq '';
@ARGV = $argv;
} else {
for (@ARGV) {
s/^patch//;
}
$argv = &rangeargs(@ARGV);
@ARGV = split(' ',$argv);
}
if ($#ARGV < 0) {
print STDERR "$progname: no patches specified.\n";
&usage;
} elsif ($#ARGV) {
print "$progname: copying $package $baserev patches $argv to $ftpdir...\n";
} else {
print "$progname: copying $package $baserev patch $argv to $ftpdir...\n";
}
chdir 'bugs' || die "$progname: can't cd to bugs: $!\n";
until ($#ARGV < 0) {
$patnum = shift;
`cp patch$patnum $ftpdir`;
}
sub usage {
print STDERR <<EOM;
Usage: $progname [-hV] patchlist
-h : print this message and exit
-V : print version number and exit
EOM
exit 1;
}
sub readpackage {
if (! -f '.package') {
if (
-f '../.package' ||
-f '../../.package' ||
-f '../../../.package' ||
-f '../../../../.package'
) {
die "Run in top level directory only.\n";
} else {
die "No .package file! Run packinit.\n";
}
}
open(PACKAGE,'.package');
while (<PACKAGE>) {
next if /^:/;
next if /^#/;
if (($var,$val) = /^\s*(\w+)=(.*)/) {
$val = "\"$val\"" unless $val =~ /^['"]/;
eval "\$$var = $val;";
}
}
close PACKAGE;
}
sub rangeargs {
local($result) = '';
local($min,$max,$_);
open(PL,"patchlevel.h") || die "Can't open patchlevel.h\n";
while (<PL>) {
$maxspec = $1 if /^#define\s+PATCHLEVEL\s+(\d+)/;
}
close PL;
die "Malformed patchlevel.h file.\n" if $maxspec eq '';
while ($#_ >= 0) {
$_ = shift(@_);
while (/^\s*\d/) {
s/^\s*(\d+)//;
$min = $1;
if (s/^,//) {
$max = $min;
} elsif (s/^-(\d*)//) {
$max = $1;
if ($max == 0 && $maxspec) {
$max = $maxspec;
}
s/^[^,],?//;
} else {
$max = $min;
}
for ($i = $min; $i <= $max; ++$i) {
$result .= $i . ' ';
}
}
}
$result;
}
# Perform ~name expansion ala ksh...
# (banish csh from your vocabulary ;-)
sub tilda_expand {
local($path) = @_;
return $path unless $path =~ /^~/;
$path =~ s:^~([^/]+):(getpwnam($1))[$[+7]:e; # ~name
$path =~ s:^~:$ENV{'HOME'} || (getpwuid($<))[$[+7]:e; # ~
$path;
}
# Set up profile components into %Profile, add any profile-supplied options
# into @ARGV and return the command invocation name.
sub profile {
local($profile) = &tilda_expand($ENV{'DIST'} || '~/.dist_profile');
local($me) = $0; # Command name
$me =~ s|.*/(.*)|$1|; # Keep only base name
return $me unless -s $profile;
local(*PROFILE); # Local file descriptor
local($options) = ''; # Options we get back from profile
unless (open(PROFILE, $profile)) {
warn "$me: cannot open $profile: $!\n";
return;
}
local($_);
local($component);
while (<PROFILE>) {
next if /^\s*#/; # Skip comments
next unless /^$me/o;
if (s/^$me://o) { # progname: options
chop;
$options .= $_; # Merge options if more than one line
}
elsif (s/^$me-([^:]+)://o) { # progname-component: value
$component = $1;
chop;
s/^\s+//; # Trim leading and trailing spaces
s/\s+$//;
$Profile{$component} = $_;
}
}
close PROFILE;
return unless $options;
require 'shellwords.pl';
local(@opts);
eval '@opts = &shellwords($options)'; # Protect against mismatched quotes
unshift(@ARGV, @opts);
return $me; # Return our invocation name
}
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