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@ -10,5 +10,5 @@ echo 'It is daytime' | sed 's/day/night/g'
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# To remove leading spaces
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sed -i -r 's/^\s+//g' file.txt
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# To remove empty lines
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cat file.txt | sed '/^$/d'
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# Remove empty lines and print results to stdout:
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sed '/^$/d' file.txt
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