somefile shouldn't be there, right?

Right. And I completely forgot about -n which eliminates the call to awk ;-) So all that's necesary is: 

sed -ne '10,15p;5p' file

[download]
perl -le'print map{pack c,($-++?1:13)+ord}split//,ESEL'

In reply to Re^2: extract (a range of) numbered lines from a file by shmem
in thread extract (a range of) numbered lines from a file by shmem

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