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+tiffset
+========
+
+.. program:: tiffset
+
+Synopsis
+--------
+
+**tiffset** [ *options* ] *filename.tif*
+
+Description
+-----------
+
+:program:`tiffset` sets the value of a TIFF header to a specified value
+or removes an existing setting.
+
+Options
+-------
+
+.. option:: -d dirnumber
+
+  Change the current directory (starting at 0).
+
+.. option:: -s tagnumber [ count ] value …
+
+  Set the value of the named tag to the value or values specified.
+
+.. option:: -sd diroffset
+
+  Change the current directory by offset.
+
+.. option:: -sf tagnumber filename
+
+  Set the value of the tag to the contents of filename.  This option is
+  supported for ASCII tags only.
+
+.. option:: -u tagnumber
+
+  Unset the tag.
+
+Examples
+--------
+
+The following example sets the image description tag (270) of :file:`a.tif` to
+the contents of the file :file:`descrip`:
+
+.. highlight:: shell
+
+::
+
+    tiffset -sf 270 descrip a.tif
+
+The following example sets the artist tag (315) of :file:`a.tif` to the string
+``Anonymous``:
+
+::
+
+    tiffset -s 315 Anonymous a.tif
+
+
+This example sets the resolution of the file :file:`a.tif` to 300 dpi:
+
+::
+
+    tiffset -s 296 2 a.tif
+    tiffset -s 282 300.0 a.tif
+    tiffset -s 283 300.0 a.tif
+
+Set the photometric interpretation of the third page of :file:`a.tif` to
+min-is-black (ie. inverts it):
+
+::
+
+    tiffset -d 2 -s 262 1 a.tif
+
+See also
+--------
+
+:doc:`tiffdump` (1),
+:doc:`tiffinfo` (1),
+:doc:`tiffcp` (1),
+:doc:`/man/libtiff` (3tiff)