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From: drd@siia.mv.com (David Dick)
Newsgroups: comp.lang.c,comp.os.msdos.programmer
Subject: Re: How do I SHORTEN a file without rewriting it?
Keywords: truncation
Message-ID: <1990Nov7.163831.9643@siia.mv.com>
Date: 7 Nov 90 16:38:31 GMT
References: <1162@bilver.UUCP> <747@csource.oz.au>
Organization: Software Innovations, Inc.
Lines: 12

In <747@csource.oz.au> david@csource.oz.au (david nugent) writes:

>In <1162@bilver.UUCP> alex@bilver.UUCP (Alex Matulich) writes:

>>Is there a way to shorten a file, that is, chop some data off the end of
>>it, so that it doesn't consume as much physical space on the disk?  The
>>file I have is too big to read into memory and write back out again, and
>>there is not enough room on the disk to write out a temporary file.

>Write zero bytes at that position.

Of course, this won't work on a UNIX system.