/usr/share/ick/coopt.sh is in intercal 28:0.28-5.
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 | #! /bin/sh
###########################################################################
#
# Name
# coopt.sh -- an inefficient optimizer that can produce very efficient
# code
#
# DESCRIPTION
# This optimizer is only run on noninteractive code that takes no
# output. (It's designed to run on executables produced by INTERCAL
# code, but will run on other executables that support the +ick_mystery
# option). It optimizes the file by replacing it by one that simply
# produces the required output! Therefore, it creates fast but
# inefficient code. If the file to be optimized hits an error or
# is terminated by +ick_mystery, then no changes are made.
#
# LICENSE TERMS
# Copyright (C) 2006 Alex Smith
#
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#
###########################################################################
rm icktemp.out >/dev/null 2>/dev/null
if $1 +ick_mystery >icktemp.out 2>/dev/null ; then : ; else
rm icktemp.out ; exit 0 ; fi
if grep 'ickoutTERM???!' icktemp.out ; then rm icktemp.out ; exit 0 ; fi
echo 'ickoutTERM???!' >> icktemp.out
rm $1
echo "#! /bin/sh
cat <<'ickoutTERM???!'" | cat - icktemp.out > $1
chmod +x $1
rm icktemp.out
exit 0
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