On 5/12/22 11:26 AM, Johannes Schindelin wrote:

Hi Jeff,

On Fri, 22 Apr 2022, Jeff Hostetler via GitGitGadget wrote:

quoted

From: Jeff Hostetler <redacted>

[...]

quoted

+#
+test_lazy_prereq UNICODE_NFC_PRESERVED '
+	mkdir c_${utf8_nfc} &&
+	ls | od -t x1 | grep "63 *5f *c3 *a9"

As far as I can see, this would be the first usage of `od` in the test
suite. I'd actually like to reduce our dependency on Unix-y tools, not
increase it.

One thing we could do would be to imitate t4030, and introduce a shell
function that calls Perl, something like:

	bin2hex () {
		perl -e '
			$/ = undef;
			$_ = <>;
			s/./sprintf("%02x ", ord($&))/ge;
			print $_
		'
	}

But it is a thorn in my side for quite a few years already that we
_require_ Perl, even in NO_PERL builds.

So maybe a much better idea would be to introduce a small helper in
`t/helper/` that converts binary data on stdin to hex on stdout? Something
like this:

Yeah, lets add the hexdump helper.

Thanks
Jeff