Sorting with multiple numeric keys

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01-09-2009

sinpeak

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Sorting with multiple numeric keys

Data I want to sort :-

1 10 jj Y
2 100 vv B
19 5 jj A
1 11 hq D
3 8 op X
44 78 ds GG
1 8 hq D

and want to sort based on the first 2 columns - which hold numeric values.

Am using :

cat filename | sort -nk 1,2

But the result is :-

1 10 jj Y
1 11 hq D
1 8 hq D
2 100 vv B
3 8 op X
19 5 jj A
44 78 ds GG

sort uses the first column as a key but does not seem to use the 1nd column as the second key.

Am doing something wrong ?

sinpeak

01-09-2009

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It's not a complete answer, but it works:

sort -k1n -k2n file

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