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# 1  
Old 04-12-2002
sort fields

I have a large csv file that looks like this:

14 ,M0081,+000000001,200302,+00000100500,
14 ,M0081,+000000004,200301,+00000100500,
14 ,M0081,+000000005,200305,+00000100500,
14 ,M0081,+000000000,200205,+00000100500,
14 ,M0081,+000000008,200204,+00000100500,

I need to sort on the first, second and fourth fields so that it would look like this:

14 ,M0081,+000000008,200204,+00000100500,
14 ,M0081,+000000000,200205,+00000100500,
14 ,M0081,+000000004,200301,+00000100500,
14 ,M0081,+000000001,200302,+00000100500,
14 ,M0081,+000000005,200305,+00000100500,


I'm looking at sort -k but haven't got it yet

Thanks
# 2  
Old 04-12-2002
this seems to do the trick:

sort -t, -k 1,2 -k 4,4
# 3  
Old 04-15-2002
Look at the manpage for sort.

Near the bottom it gives good examples of how to sort by column.


sort(1) sort(1)

Print the password file (/etc/passwd) sorted by numeric user ID (the
third colon-separated field):

sort -t: -k 3n,3 /etc/passwd

Print the lines of the presorted file infile, suppressing all but the
first occurrence of lines having the same third field:

sort -mu -k 3,3 infile

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