libvips/man/vipsheader.1

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.TH VIPSHEADER 1 "12 July 1990"
.SH NAME
vipsheader \- prints information about an image file
.SH SYNOPSIS
vipsheader [OPTIONS ...] files ...
.SH DESCRIPTION
.B vipsheader(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 vipsedit(1).
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.TP
.B -a, --all
Show all fields. Normally
.B vipsheader
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just shows a one-line summary.
.SH EXAMPLES
$ vipsheader -f Xsize ~/pics/*.v
1024
1279
22865
1
256
.SH SEE ALSO
vipsedit(1)
.SH COPYRIGHT
N. Dessipris
.SH AUTHOR
N. Dessipris \- 12/07/1990