When invoking hexdump as hd enable the "Canonical" format to by
default, implying the -C option.
This is historic behaviour on Debian and apparently also on FreeBSD.
Some Debian users have asked for this to be restored, after Debian
switched to util-linux' hexdump and hd.
Signed-off-by: Chris Hofstaedtler <zeha@xxxxxxxxxx>
---
text-utils/hexdump.1 | 3 +++
text-utils/hexdump.c | 7 +++++++
2 files changed, 10 insertions(+)
diff --git a/text-utils/hexdump.1 b/text-utils/hexdump.1
index eb508f6d4..80a7c0f0d 100644
--- a/text-utils/hexdump.1
+++ b/text-utils/hexdump.1
@@ -67,6 +67,9 @@ by the same sixteen bytes in
format enclosed in
.RB ' | '
characters.
+Invoking the program as
+.B hd
+implies this option.
.TP
\fB\-d\fR, \fB\-\-two\-bytes\-decimal\fR
\fITwo-byte decimal display\fR. Display the input offset in hexadecimal,
diff --git a/text-utils/hexdump.c b/text-utils/hexdump.c
index cbd593e5f..ce83c9d83 100644
--- a/text-utils/hexdump.c
+++ b/text-utils/hexdump.c
@@ -82,6 +82,13 @@ parse_args(int argc, char **argv, struct hexdump *hex)
{NULL, no_argument, NULL, 0}
};
+ if (!strcmp(program_invocation_short_name, "hd")) {
+ /* Canonical format */
+ add_fmt("\"%08.8_Ax\n\"", hex);
+ add_fmt("\"%08.8_ax \" 8/1 \"%02x \" \" \" 8/1 \"%02x \" ", hex);
+ add_fmt("\" |\" 16/1 \"%_p\" \"|\\n\"", hex);
+ }
+
while ((ch = getopt_long(argc, argv, "bcCde:f:L::n:os:vxhV", longopts, NULL)) != -1) {
switch (ch) {
case 'b':
--
2.27.0
