This file is indexed.

/usr/bin/isogmt is in gmt 5.2.1+dfsg-3build1.

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

The actual contents of the file can be viewed below.

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#!/bin/bash
#--------------------------------------------------------------------
#	$Id: isogmt.in 13846 2014-12-28 21:46:54Z pwessel $
#
#  Copyright (c) 1991-2015 by P. Wessel, W. H. F. Smith, R. Scharroo, J. Luis and F. Wobbe
#  See LICENSE.TXT file for copying and redistribution conditions.
#
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU Lesser General Public License as published by
#  the Free Software Foundation; version 3 or 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 Lesser General Public License for more details.
#
#  Contact info: gmt.soest.hawaii.edu
#--------------------------------------------------------------------
#
# isogmt runs a GMT command or script in isolation mode.

if [ $# -eq 0 ]; then
	cat << END >&2
isogmt 5.2.1 - Run GMT command or script in isolation mode

usage: isogmt <command>

	<command> is a single GMT command plus options or an executable script.
END
	exit
fi

export GMT_TMPDIR=`mktemp -d ${TMPDIR:-/tmp}/gmt.XXXXXX`
gmt "$@"
rm -rf $GMT_TMPDIR
unset GMT_TMPDIR