/usr/share/deal/input/symmetric.tcl 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: symmetric.tcl 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
#
#
# read the output from a line input
#
# This reads input in the same format as the -l output from deal.
#
namespace eval symmetric {
::deal::nostacking
variable number 0
variable current 0
variable increment 1
variable endnumber
variable cards {K Q J T 9 8 7 6 5 4 3 2}
proc finalize {} {
}
proc initialize {start incr end} {
variable number
variable increment
variable endnumber
set number $start
set increment $incr
set endnumber $end
deal_reset_cmds {::symmetric::next}
}
proc generate {num} {
variable current
variable cards
reset_deck
set holding(0) "A"
set holding(1) ""
set holding(2) ""
set holding(3) ""
set current $num
foreach card $cards {
set suit [expr {$num%4}]
append holding($suit) $card
set num [expr {($num-$suit)/4}]
}
deck_stack_hand south $holding(0) $holding(1) $holding(2) $holding(3)
deck_stack_hand west $holding(1) $holding(2) $holding(3) $holding(0)
deck_stack_hand north $holding(2) $holding(3) $holding(0) $holding(1)
deck_stack_hand east $holding(3) $holding(0) $holding(1) $holding(2)
deal_deck
}
proc next {} {
variable number
variable increment
variable endnumber
if {$number>=$endnumber} {
return -code return
}
generate $number
incr number $increment
deal_reset_cmds {::symmetric::next}
}
proc set_input {{start 0} {increment 1} {end 16777216}} {
initialize $start $increment $end
}
}
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