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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  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  dif
       ference.

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

       -t     Ignore any differences in directory tags.

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

       The  image  data of tiled files is not compared, since the
       TIFFReadScanline() function is  used.   A  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(3)

			September 26, 1994	       TIFFCMP(1)

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