Date: Tue, 15 Aug 1995 12:46:42 +0200 From: Wolfram Schneider <wosch@cs.tu-berlin.de> To: Garrett Wollman <wollman@halloran-eldar.lcs.mit.edu> Cc: Wolfram Schneider <wosch@cs.tu-berlin.de>, FreeBSD-bugs@freebsd.org Subject: bin/683: cron(8) Message-ID: <199508151046.MAA00781@localhost> In-Reply-To: <9508141755.AA11596@halloran-eldar.lcs.mit.edu> References: <199508131617.SAA13412@localhost> <9508141442.AA11143@halloran-eldar.lcs.mit.edu> <199508141459.QAA11761@caramba.cs.tu-berlin.de> <9508141532.AA11236@halloran-eldar.lcs.mit.edu> <199508141557.RAA14439@caramba.cs.tu-berlin.de> <9508141644.AA11411@halloran-eldar.lcs.mit.edu> <199508141725.TAA18350@caramba.cs.tu-berlin.de> <9508141755.AA11596@halloran-eldar.lcs.mit.edu>
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Garrett Wollman writes:
>> You too. Cron(8) is for execute *commands*, not execute your favourite
>> *shell command* lines.
>
>Nonsense. You are trying to make a distinction WHICH DOES NOT EXIST
>IN REALITY.
Which reality? Your, mine, Posix, X/Open, AT&T?
>> Starting a shell is a feature. It is your own risk if
>> SHELL=/usr/bin/perl not work (perl -c is for syntax checking).
>
>Which is completely irrelevant to the question at hand.
>
>Question for you:
>
> Why the h*** do you care that cron runs a shell? What does
> the shell do that is so horrid that you want to break cron?
> What makes you think that every !@#$%^ utility in the system
> needs to parse command lines when there is one program (the
> Bourne shell) whose sole purpose is to do precisely that?
$ sa |egrep ' (cron|sh|atrun).?$'
59831 4528877.13re 89.06cp 1avio 5586k sh
12883 29.92re 19.91cp 2avio 2358k atrun
26950 1157161.65re 19.85cp 0avio 8737k sh*
563 64.03re 15.00cp 3avio 189k cron
14469 1176426.21re 12.91cp 1avio 7534k cron*
3 0.12re 0.00cp 9avio 3975k atrun*
15,000 cron's, mostly for atrun. Every 6th sh(1) was calling from cron
(other 72,000 sh(1) mainly from make(1)).
Wolfram
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