Date: Wed, 13 Jun 2007 08:30:46 +0200 From: Alexander Leidinger <Alexander@Leidinger.net> To: Garrett Cooper <youshi10@u.washington.edu> Cc: hackers@freebsd.org Subject: Re: Using shell commands versus C equivalents Message-ID: <20070613083046.atl5dyq3s488s0o8@webmail.leidinger.net> In-Reply-To: <466F86C6.7010006@u.washington.edu> References: <466F86C6.7010006@u.washington.edu>
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Quoting Garrett Cooper <youshi10@u.washington.edu> (from Tue, 12 Jun 2007 22:55:18 -0700): > Another simple question (I hope): > Is there any reason why shell commands should be used in place of a > C command (in this case chmod via vsystem instead of the chmod(2) > function)? It seems like the fork / exec would be more expensive with > the shell command, but any area where code could be optimized is more > than welcome I would think. If it is just one file, I don't see the reason to use the shell command, but if you need to reinvent "chmod -R", I don't see a reason to forbid the use of the shell command (pragmatic programming). Bye, Alexander. -- Revenge is a form of nostalgia. http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID = B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID = 72077137
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