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Get only the 1st and 8th line from every 10 lines

 
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# 1  
Old 01-27-2011
Get only the 1st and 8th line from every 10 lines
Hi,
I have 1000 line text file.
I need only the 1st and 8th line from every set of 10 lines, that is,
1,8,11,18,21,21,28,31,38,... lines etc into a text file.

Please let me know how I can achieve the same.

Regards,
Don
# 2  
Old 01-27-2011
Code:
awk 'NR%10==1 || NR%10==8' file

# 3  
Old 01-27-2011
Thanks a lot. It works amazing
 
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