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From: guy@auspex.auspex.com (Guy Harris)
Newsgroups: comp.unix.questions
Subject: Re: How to issue a C SHELL command within a C program
Message-ID: <3923@auspex.auspex.com>
Date: 20 Aug 90 21:28:50 GMT
References: <25279.26c7fd35@kuhub.cc.ukans.edu> <852@hls0.hls.oz>
Organization: Auspex Systems, Santa Clara
Lines: 14

>This works under SunOS 4.0.3 (and probably others):

It should work on any UNIX system where "/bin/csh" refers to the C
shell.  (If it doesn't, either that system's C shell is broken, its
"system()" implementation is broken, or something either or both of them
use is broken.)

>	system("/bin/csh -c \"<command>\"");
>
>system() calls /bin/sh, which in this case starts a `csh' to perform
><command>.  Note the \" around <command>.

Which means if <command> *itself* contains double-quotes, you have some
more quoting to do....