Path: utzoo!utgpu!watserv1!watmath!att!cbnewsc!lgm
From: lgm@cbnewsc.ATT.COM (lawrence.g.mayka)
Newsgroups: comp.lang.misc
Subject: Re: Relationship between C and C++
Keywords: portability myth
Message-ID: <14602@cbnewsc.ATT.COM>
Date: 23 Mar 90 03:16:46 GMT
References: <970@mti.mti.com>
Reply-To: lgm@cbnewsc.ATT.COM (lawrence.g.mayka,ihp,)
Organization: AT&T Bell Laboratories
Lines: 20

In article <970@mti.mti.com> adrian@mti.UUCP (Adrian McCarthy) writes:
>Exercise for the reader:  write a *portable* program in any language which
>takes a file name as its parameter and returns the modification or creation
>date and time of that file.  Don't use any conditional compilation.

Common Lisp:

(FILE-WRITE-DATE file)

'file' can be a file name or a stream that is open to a file.
This returns the time at which the file was created or last
written as an integer in universal time format, or NIL if this
cannot be determined.


	Lawrence G. Mayka
	AT&T Bell Laboratories
	lgm@ihlpf.att.com

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