Truncating an existing file

[Bob Fisher]

How can I truncate the end of a large file without copying the part
to be preserved to a new file and then doing a remove/rename?

This is for SVR3 but may need ported to BSD4.3.

The only truncating capability I find is when I open the file for output.
-- 
Bob Fisher
US Defense Logistics Agency Systems Automation Center
DSAC-TOL, Box 1605, Columbus, OH 43216-5002     614-238-9071 (AV 850-9071)
bfisher at dsac.dla.mil		osu-cis!dsacg1!bfisher