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