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From: art@pilikia.pegasus.com (Art Neilson)
Newsgroups: comp.unix.programmer,comp.unix.internals
Subject: Re: ls & file pipes (FIFO), curses...
Message-ID: <1991Feb20.184948.11808@pilikia.pegasus.com>
Date: 20 Feb 91 18:49:48 GMT
References: <avalon.666979740@coombs>
Organization: Pilikia, Honolulu
Lines: 20

In article <avalon.666979740@coombs> avalon@coombs.anu.edu.au (avalon) writes:
>G'day, can anyone tell me how 'ls' knows whether a
>file is a regular file or a pipe ?
>
>When i do a stat(2) call on the file, it is returned
>as a regular file.  What tricks does ls perform ?

Here's an example of testing if a file is a pipe or not:

	if (stat(pathname, &st) == -1) {
		perror("stat");
		exit(1);
	}

	if ((st.st_mode & S_IFMT) == S_IFIFO)
		printf("%s is a fifo\n", pathname);

-- 
Arthur W. Neilson III		| INET: art@pilikia.pegasus.com
Bank of Hawaii Tech Support	| UUCP: uunet!ucsd!nosc!pegasus!pilikia!art


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