Type the following command:
$ sed '/^$/d' input.txt > output.txt
Task: Remove blank lines using grep
$ grep -v '^$' input.txt > output.txt
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Step 1, New a project rails new demo Step 2, Update Gemfile add paperclip, mysql2 gem, enable JavaScript runtime gem 'mysql2' ...
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Here are the steps: Open the Terminal app on your Mac (Applications > Utilities) Now, we will first delete Clipboard sharing and then en...
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