Extract every Nth line from a file.

 


% every_nth_line --help 

Usage: every_nth_line file1 5 
arg1 - file name  
arg2 - line skip number   

EXAMPLE:

Make a test file:
% namelist 14 > A1
% cat A1
1
2
3
4
5
6
7
8
9
10
11
12
13
14

% every_nth_line A1 3
1
3
6
9
12