Date: Wed, 13 Aug 2003 22:47:09 +0200 From: Grzegorz Czaplinski <G.Czaplinski@prioris.mini.pw.edu.pl> To: Ceri Davies <ceri@FreeBSD.org> Cc: freebsd-bugs@FreeBSD.org Subject: Re: misc/55411: One of the freebsd-tips in fortune(1) is incorrect on time(1) command. Message-ID: <20030813204708.GO13622@prioris.mini.pw.edu.pl> In-Reply-To: <200308132029.h7DKTrmN051522@freefall.freebsd.org> References: <200308132029.h7DKTrmN051522@freefall.freebsd.org>
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On Wed, Aug 13, 2003 at 01:29:53PM -0700, Ceri Davies wrote:
> Synopsis: One of the freebsd-tips in fortune(1) is incorrect on time(1) c=
ommand.
>=20
> State-Changed-From-To: open->closed
> State-Changed-By: ceri
> State-Changed-When: Wed Aug 13 13:28:53 PDT 2003
> State-Changed-Why:=20
> The fortune is fine.
> If it mentioned the -h switch then I'd agree, but it doesn't.
>=20
>=20
> Responsible-Changed-From-To: freebsd-ports-bugs->freebsd-bugs
> Responsible-Changed-By: ceri
> Responsible-Changed-When: Wed Aug 13 13:28:53 PDT 2003
> Responsible-Changed-Why:=20
> Not a ports bug.
>=20
Hi there,
STOP!
I see you don't get the whole point. This is not the only one error in
fortune tips given by Dru*.
Consider that:
1.
alphax# time ping -c prioris.mini.pw.edu.pl
ping: invalid count of packets to transmit: `prioris.mini.pw.edu.pl'
0.000u 0.004s 0:00.04 0.0% 0+0k 1+0io 6pf+0w
alphax# time ping -c 2 prioris.mini.pw.edu.pl
PING prioris.mini.pw.edu.pl (194.29.178.2): 56 data bytes
64 bytes from 194.29.178.2: icmp_seq=3D0 ttl=3D68 time=3D0.874 ms
64 bytes from 194.29.178.2: icmp_seq=3D1 ttl=3D68 time=3D0.602 ms
--- prioris.mini.pw.edu.pl ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max/stddev =3D 0.602/0.738/0.874/0.136 ms
0.000u 0.008s 0:01.06 0.0% 0+0k 0+0io 4pf+0w
2.
alphax# \time ping -c 2 prioris.mini.pw.edu.pl
PING prioris.mini.pw.edu.pl (194.29.178.2): 56 data bytes
64 bytes from 194.29.178.2: icmp_seq=3D0 ttl=3D68 time=3D0.675 ms
64 bytes from 194.29.178.2: icmp_seq=3D1 ttl=3D68 time=3D0.630 ms
--- prioris.mini.pw.edu.pl ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max/stddev =3D 0.630/0.653/0.675/0.022 ms
1.02 real 0.00 user 0.00 sys
3.
alphax# \time -h ping -c 2 prioris.mini.pw.edu.pl
PING prioris.mini.pw.edu.pl (194.29.178.2): 56 data bytes
64 bytes from 194.29.178.2: icmp_seq=3D0 ttl=3D68 time=3D0.683 ms
64 bytes from 194.29.178.2: icmp_seq=3D1 ttl=3D68 time=3D0.507 ms
--- prioris.mini.pw.edu.pl ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max/stddev =3D 0.507/0.595/0.683/0.088 ms
1.01s real 0.00s user 0.00s sys
These examples are from:
alphax# uname -a
FreeBSD alphax.mini.pw.edu.pl 5.1-RELEASE FreeBSD 5.1-RELEASE #1: Mon
Jun 16 20:46:55 CEST 2003 root@alphax.mini.pw.edu.pl:/usr/obj/usr/src/s=
ys/
The shell is csh. From zsh it looks much different:
alphax# time ping -c 2 prioris.mini.pw.edu.pl
PING prioris.mini.pw.edu.pl (194.29.178.2): 56 data bytes
64 bytes from 194.29.178.2: icmp_seq=3D0 ttl=3D68 time=3D0.666 ms
64 bytes from 194.29.178.2: icmp_seq=3D1 ttl=3D68 time=3D0.642 ms
--- prioris.mini.pw.edu.pl ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max/stddev =3D 0.642/0.654/0.666/0.012 ms
ping -c 2 prioris.mini.pw.edu.pl 0.00s user 0.01s system 0% cpu 1.012
total
If someone has csh as his/her default shell the output is totally
unreadable. This is because you call shells builtin. Prefixing time
command with a "\" you prevent such errors as then you call time(1).
I guess you did not perform any tests before closing the PR.
Have a good one,
greg
--
Grzegorz Czaplinski <gregory at prioris.mini.pw.edu.pl>
"The Power to Serve, Right for the Power Users!" - http://www.FreeBSD.org/
Fingerprint: EB77 E19D CFA2 5736 810F 847C A70F A275 2489 469F
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