There are 100 lines in a file. How to print line number 31-50 and 81-90 in unix

There are 100 lines in a file. How to print line number 31-50 and 81-90 in unix with a single command.

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There are 100 lines in a file. How to print line number 31-50 and 81-90 in unix with a single comman..

sed -n -e '31,50p' -e '81,90p' filename.txt

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There are 100 lines in a file. How to print line number 31-50 and 81-90 in unix with a single comman..

awk '(NR>31 && NR<50) || (NR>81 && NR <90) filename.txt

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