libvips/man/header.1

40 lines
689 B
Groff
Raw Normal View History

.TH HEADER 1 "12 July 1990"
.SH NAME
header \- prints information about an image file
.SH SYNOPSIS
header [OPTIONS ...] files ...
.SH DESCRIPTION
.B header(1)
prints image header fields to stdout.
.SH OPTIONS
.TP
.B -f FIELD, --field=FIELD
Print value of
.B FIELD
from image header. The special field name getext prints
the VIPS extension block: the XML defining the image metadata. You can alter
this, then reattach with
.B edvips(1).
2013-10-22 18:12:50 +02:00
.TP
.B -a, --all
Show all fields. Normally
.B header
just shows a one-line summary.
.SH EXAMPLES
$ header -f Xsize ~/pics/*.v
1024
1279
22865
1
256
.SH SEE ALSO
edvips(1)
.SH COPYRIGHT
N. Dessipris
.SH AUTHOR
N. Dessipris \- 12/07/1990