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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.
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