You can use more -s option to exclude blank lines in Linux more comamnd output.
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## squeeze multiple blank lines into one. ## create a file with multiple empty lines > myfile; i=1; while [ $i -le 100 ]; \ do echo "$i" >> myfile; ((i++)); done echo -e "\n\n\n\n\n\n\n\n" >> myfile i=101; while [ $i -le 200 ]; \ do echo "$i" >> myfile; ((i++)); done more myfile ## displays multiple empty line between 100 and 101 more -s myfile ## squeeze multiple blank lines into one rm myfile |