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#!/bin/sh
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configFile="/boot/firmware/config.txt";
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found=;
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while IFS= read -r line || [ -n "$line" ]; do
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if [ "$line" = "disable_overscan=1" ]; then
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found="1";
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fi;
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done < $configFile;
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if [ ! $found ]; then
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printf "
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# Remove black borders
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disable_overscan=1
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" >> $configFile;
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fi;
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