This file is indexed.

/usr/share/deal/format/ddline is in deal 3.1.9-9.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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#
# Copyright (C) 1996-2001, Thomas Andrews
#
# $Id: ddline 255 2008-09-15 12:43:02Z thomasoa $
#
# This program 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 2 of the License, or
# (at your option) any later version.
# 
# This program 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#

set ddline(counter) 0

proc write_deal {} {
    global ddline
    set line [list]
    set dd [list]
    foreach suit {spades hearts diamonds clubs notrump} {
      puts -nonewline stderr "."
      foreach hand {north east south west} {
        set dummy [deal::tricks $hand $suit]
      }
    }
    foreach hand {north east south west} {
	lappend line [join [$hand] "."]
	set handdd [list]
	foreach suit {spades hearts diamonds clubs notrump} {
	    lappend handdd [deal::tricks $hand $suit]
	}
	lappend dd $handdd
    }
    puts "[join $line |]|[join $dd |]"

    incr ddline(counter)
    if {$ddline(counter)%10==0} {
	puts stderr "Finished #$ddline(counter)"
    } else {
    }	

    while {[file exists "lock.txt"]} {
	puts stderr "Sleeping a bit... lock.txt exists"
	after 10000
    }
}