bhcleek/linux-osx.mktemp.sh

## linux-osx.mktemp.sh
# try to create a temporary directory on osx first.
# `mktemp -d` works on OSX and Linux The basename will be random:
TMPDIR=$(mktemp -d)
# `mktemp -d -t FOO` is valid on OSX and uses TMPDIR, but will cause an error on Linux.
# `mktemp -d -t FOO.XXXXXX is valid on both: on Linux will do substitution of the Xs; but on OSX, the Xs are taken literally.
TMPDIR=$(mktemp -d -t ${PREFIX} 2>/dev/null || mktemp -d -t ${PREFIX}.XXXXXX)
# this can be shorted to
TMPDIR=$(mktemp -d "${TMPDIR-:/tmp/}$PREFIX.XXXXXX")
	# try to create a temporary directory on osx first.
	# `mktemp -d` works on OSX and Linux The basename will be random:
	TMPDIR=$(mktemp -d)
	# `mktemp -d -t FOO` is valid on OSX and uses TMPDIR, but will cause an error on Linux.
	# `mktemp -d -t FOO.XXXXXX is valid on both: on Linux will do substitution of the Xs; but on OSX, the Xs are taken literally.
	TMPDIR=$(mktemp -d -t ${PREFIX} 2>/dev/null \|\| mktemp -d -t ${PREFIX}.XXXXXX)
	# this can be shorted to
	TMPDIR=$(mktemp -d "${TMPDIR-:/tmp/}$PREFIX.XXXXXX")