From 7d71f06cb47227f16ac20155c202725aa2b3d9b2 Mon Sep 17 00:00:00 2001
From: Diomidis Spinellis <dds@FreeBSD.org>
Date: Mon, 6 Nov 2006 15:11:50 +0000
Subject: [PATCH] Use a more sensible default of 1 or -1 when only the start
 and end values are specified.

PR:		bin/68981
Submitted by:	Stefan `Sec` Zehl
MFC after:	2 weeks
---
 usr.bin/jot/jot.1 | 6 +++++-
 usr.bin/jot/jot.c | 5 ++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/usr.bin/jot/jot.1 b/usr.bin/jot/jot.1
index 1aa0d623bb3..77cebb403a5 100644
--- a/usr.bin/jot/jot.1
+++ b/usr.bin/jot/jot.1
@@ -115,7 +115,7 @@ conflict, the lower value is used.
 If fewer than three are specified, defaults are assigned
 left to right, except for
 .Ar s ,
-which assumes its default unless both
+which assumes a default of 1 or -1 if both
 .Ar begin
 and
 .Ar end
@@ -171,6 +171,10 @@ a function in APL.
 .Ex -std
 .Sh EXAMPLES
 The command
+.Dl jot - 1 10
+.Pp
+prints the integers from 1 to 10,
+while the command
 .Dl jot 21 -1 1.00
 .Pp
 prints 21 evenly spaced numbers increasing from -1 to 1.
diff --git a/usr.bin/jot/jot.c b/usr.bin/jot/jot.c
index d7f700c2c2e..f403bcc5518 100644
--- a/usr.bin/jot/jot.c
+++ b/usr.bin/jot/jot.c
@@ -193,10 +193,13 @@ main(int argc, char **argv)
 		case HAVE_ENDER | HAVE_STEP:
 		case HAVE_BEGIN:
 		case HAVE_BEGIN | HAVE_STEP:
-		case HAVE_BEGIN | HAVE_ENDER:
 			reps = REPS_DEF;
 			mask |= HAVE_REPS;
 			break;
+		case HAVE_BEGIN | HAVE_ENDER:
+			s = ender > begin ? 1 : -1;
+			mask |= HAVE_STEP;
+			break;
 		case HAVE_BEGIN | HAVE_ENDER | HAVE_STEP:
 			if (randomize)
 				reps = REPS_DEF;