File: chunk-gamma

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pypng 0.0.19%2Bds-1
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#!/bin/sh

PATH=${PWD%code*}code:$PATH

# It so happens that image f02n0g08 does not have a gamma chunk
python -m pngsuite f02n0g08 | pnglsch | grep -q gAMA && exit 9
python -m pngsuite f02n0g08 | prichunkpng --gamma 0.45 - |
  pnglsch | grep -q gAMA