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TIFFCMP(1)									       TIFFCMP(1)

NAME
       tiffcmp - compare two TIFF files

SYNOPSIS
       tiffcmp [ options ] file1.tif file2.tif

DESCRIPTION
       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 decompres-
       sion.  Most directory tags are checked; notable exceptions are: GrayResponseCurve,  Color-
       ResponseCurve,  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.

OPTIONS
       -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.

BUGS
       Tags  that are not recognized by the library are not compared; they may also generate spu-
       rious 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.

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

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

libtiff 				 November 2, 2005			       TIFFCMP(1)
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