Copyright (c) 1988-1997 Sam Leffler
Copyright (c) 1991-1997 Silicon Graphics, Inc.

Permission to use, copy, modify, distribute, and sell this software and
its documentation for any purpose is hereby granted without fee, provided
that (i) the above copyright notices and this permission notice appear in
all copies of the software and related documentation, and (ii) the names of
Sam Leffler and Silicon Graphics may not be used in any advertising or
publicity relating to the software without the specific, prior written
permission of Sam Leffler and Silicon Graphics.

THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
OF THIS SOFTWARE.

tiffcmp - compare two TIFF files tiffcmp [ options ] "file1.tif file2.tif" Tiffcmp compares the tags and data in two files created according to the Tagged Image File Format, Revision 6.0. The schemes used for compressing data in each file are immaterial when data are compared-data are compared on a scanline-by-scanline basis after decompression. Most directory tags are checked; notable exceptions are: GrayResponseCurve , ColorResponseCurve , and ColorMap tags. Data will not be compared if any of the BitsPerSample , SamplesPerPixel , or ImageWidth values are not equal. By default, tiffcmp will terminate if it encounters any difference.

-l List each byte of image data that differs between the files.

-z " number" List specified number of image data bytes that differs between the files.

-t Ignore any differences in directory tags.

Tags that are not recognized by the library are not compared; they may also generate spurious diagnostics.

The image data of tiled files is not compared, since the TIFFReadScanline() function is used. An error will be reported for tiled files.

The pixel and/or sample number reported in differences may be off in some exotic cases.

pal2rgb (1), tiffinfo (1), tiffcp (1), tiffmedian (1), libtiff (3TIFF)

Libtiff library home page: http://www.simplesystems.org/libtiff/