2015-02-02 17:34:26 +00:00
|
|
|
.Dd February 2, 2015
|
|
|
|
.Dt TRUNCATE 1
|
|
|
|
.Os ubase
|
|
|
|
.Sh NAME
|
|
|
|
.Nm truncate
|
|
|
|
.Nd shrink or extend the size of a file to the specified size
|
|
|
|
.Sh SYNOPSIS
|
|
|
|
.Nm
|
|
|
|
.Op Fl c
|
|
|
|
.Fl s Ar size
|
|
|
|
.Ar file...
|
|
|
|
.Sh DESCRIPTION
|
|
|
|
.Nm
|
|
|
|
shrinks or extends the size of each
|
|
|
|
.Ar file
|
|
|
|
specified size. A
|
|
|
|
.Ar file
|
|
|
|
argument that does not exist is created. If a
|
|
|
|
.Ar file
|
|
|
|
is larger than the specified
|
|
|
|
.Ar size ,
|
|
|
|
the extra data is lost. If a
|
|
|
|
.Ar file
|
|
|
|
is shorter, it is extended and the extended part (hole) reads as zero bytes.
|
|
|
|
.Sh OPTIONS
|
|
|
|
.Bl -tag -width Ds
|
|
|
|
.It Fl c
|
2014-04-13 15:40:40 +00:00
|
|
|
Do not create any files.
|
2015-02-02 17:34:26 +00:00
|
|
|
.It Fl s Ar size
|
|
|
|
Set or adjust the file size by
|
|
|
|
.Ar size
|
|
|
|
bytes.
|
|
|
|
.El
|
|
|
|
.Sh SEE ALSO
|
|
|
|
.Xr ftruncate 2 ,
|
|
|
|
.Xr truncate 2
|