===csort -a quick -k 5 chickens.csv:
name,breed,date of birth,date of death,avg eggs per week
Myrtle,Araucana,2011-05-01,2011-07-13,0
Myrtle,Araucana,2011-08-01,N/A,0
Mildred,Araucana,2011-05-01,N/A,3
Mabel,Isa Red,2011-04-26,N/A,5
Marilyn,Isa Red,2011-04-24,N/A,6
===csort -a quick -k 4,5 chickens.csv:
name,breed,date of birth,date of death,avg eggs per week
Myrtle,Araucana,2011-05-01,2011-07-13,0
Marilyn,Isa Red,2011-04-24,N/A,6
Myrtle,Araucana,2011-08-01,N/A,0
Mabel,Isa Red,2011-04-26,N/A,5
Mildred,Araucana,2011-05-01,N/A,3
===csort -a quick -k 3,4,5 chickens.csv:
name,breed,date of birth,date of death,avg eggs per week
Marilyn,Isa Red,2011-04-24,N/A,6
Mabel,Isa Red,2011-04-26,N/A,5
Myrtle,Araucana,2011-05-01,2011-07-13,0
Mildred,Araucana,2011-05-01,N/A,3
Myrtle,Araucana,2011-08-01,N/A,0
===csort -a quick -k 2,3,4,5 chickens.csv:
name,breed,date of birth,date of death,avg eggs per week
Mildred,Araucana,2011-05-01,N/A,3
Myrtle,Araucana,2011-08-01,N/A,0
Myrtle,Araucana,2011-05-01,2011-07-13,0
Marilyn,Isa Red,2011-04-24,N/A,6
Mabel,Isa Red,2011-04-26,N/A,5
===csort -a quick -k 1,2,3,4,5 chickens.csv:
name,breed,date of birth,date of death,avg eggs per week
Mabel,Isa Red,2011-04-26,N/A,5
Marilyn,Isa Red,2011-04-24,N/A,6
Mildred,Araucana,2011-05-01,N/A,3
Myrtle,Araucana,2011-08-01,N/A,0
Myrtle,Araucana,2011-05-01,2011-07-13,0
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