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How to Remove all empty lines in a file on Linux and Windows?
Remove empty lines from file.txt via Linux command line
- Option 1: sed -i ‘/^$/d’ file.txt
- Option 2: awk ‘NF > 0’ file.txt > output.txt
- Option 3: perl -i.backup -n -e “print if /\S/” file.txt
- Option 4: grep . file.txt > output.txt