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.Dd May 31, 2020
.Dt ZCK_READ_HEADER 1
.Os
.Sh NAME
.Nm zck_read_header
.Nd display information from the header of a zchunk file
.Sh SYNOPSIS
.Nm
.Op Fl c | Fl -show-chunks
.Op Fl f | Fl -verify
.Op Fl q | Fl -quiet
.Op Fl v | Fl -verbose
.Ar file
.Nm
.Fl ? | Fl -help | Fl -usage | Fl -version
.Sh DESCRIPTION
The
.Nm
utility reads a zchunk file's header and displays some of the information
recorded there.
.Pp
The
.Nm
utility accepts the following optional arguments:
.Pp
.Bl -tag -width indent
.It Fl c , Fl -show-chunks
Display information about the individual chunks, too.
.It Fl f , Fl -verify
Instead of only reading the zchunk file's header, read the whole file and
verify its integrity.
.It Fl q , Fl -quiet
Quiet operation; only display error messages.
.It Fl v , Fl -verbose
Verbose operation; display some diagnostic output.
.It Fl ? , Fl -help
Display program usage information and exit.
.It Fl -usage
Display brief program usage information and exit.
.It Fl -version
Display program version information and exit.
.El
.Sh EXIT STATUS
.Ex -std
.Sh EXAMPLES
Examine a zchunk file's header:
.Pp
.Dl zck_delta_size doc.txt.zck
.Pp
.Sh SEE ALSO
.Xr unzck 1 ,
.Xr zck 1 ,
.Xr zck_delta_size 1 ,
.Xr zck_gen_zdict 1 ,
.Xr zckdl 1
.Sh AUTHOR
The
.Nm
utility was written by
.An Jonathan Dieter Aq jdieter@gmail.com .
This manual page stub was written by
.An Peter Pentchev Aq roam@ringlet.net .