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Get an output of lines in pattern 1st line then 10th line then 11th line then 20th line and so on.

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Top Forums UNIX for Beginners Questions & Answers Get an output of lines in pattern 1st line then 10th line then 11th line then 20th line and so on.
# 1  
Old 10-19-2019
Get an output of lines in pattern 1st line then 10th line then 11th line then 20th line and so on.
Input file:
Code:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
.................150



Output needed:
Code:
1
10
11
20
21
30
..
..
..

141
150

Moderator's Comments:
Mod Comment Please wrap your samples in CODE TAGS as per forum rules.
Last edited by RavinderSingh13; 10-20-2019 at 05:14 AM..
# 2  
Old 10-19-2019
Any attempts / ideas / thoughts from your side? Any preferences?


Is that homework / classwork?
# 3  
Old 10-19-2019
Hi ,
NO, it's not homework I had just posted input and output for easy understanding.
i had attempted this code
Code:
awk 'NR % 10 == 1'

Moderator's Comments:
Mod Comment Please wrap your samples in CODE TAGS.
Last edited by RavinderSingh13; 10-19-2019 at 11:59 PM..
# 4  
Old 10-19-2019
You're close. How could you accomplish the other half of the task?


And, pls use code tags.
# 5  
Old 10-20-2019
You can check which one to use with this command:
Code:
awk '{print $0, NR % 10}' file

Last edited by Scrutinizer; 10-20-2019 at 09:23 PM..
# 6  
Old 10-30-2019
Anyone, please suggest me how to get the given pattern.
# 7  
Old 10-30-2019
People are waiting for YOU to show how you deal with the hints given, playing with / improving your code.
This User Gave Thanks to RudiC For This Post:
elyssarob65
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