Original array
-----------------------------------
Line1,123,cat,79,Tiddles
Line2,427,dog,298,Jack
Line3,278,aardvark,9,Digger
Line4,89,gerbil,88,Jerry
Line5,427,ferret,706,Faustus
Line6,123,goldfish,23,Fred
===================================
Sort String - field1
-----------------------------------
Line1,123,cat,79,Tiddles
Line6,123,goldfish,23,Fred
Line3,278,aardvark,9,Digger
Line2,427,dog,298,Jack
Line5,427,ferret,706,Faustus
Line4,89,gerbil,88,Jerry
===================================
Sort String - field1(n)
-----------------------------------
Line4,89,gerbil,88,Jerry
Line1,123,cat,79,Tiddles
Line6,123,goldfish,23,Fred
Line3,278,aardvark,9,Digger
Line2,427,dog,298,Jack
Line5,427,ferret,706,Faustus
===================================
Sort String - field1(d)
-----------------------------------
Line4,89,gerbil,88,Jerry
Line2,427,dog,298,Jack
Line5,427,ferret,706,Faustus
Line3,278,aardvark,9,Digger
Line1,123,cat,79,Tiddles
Line6,123,goldfish,23,Fred
===================================
Sort String - field1(nd),field2(d)
-----------------------------------
Line5,427,ferret,706,Faustus
Line2,427,dog,298,Jack
Line3,278,aardvark,9,Digger
Line6,123,goldfish,23,Fred
Line1,123,cat,79,Tiddles
Line4,89,gerbil,88,Jerry
===================================
Sort String - field2(d),field3
-----------------------------------
Line6,123,goldfish,23,Fred
Line4,89,gerbil,88,Jerry
Line5,427,ferret,706,Faustus
Line2,427,dog,298,Jack
Line1,123,cat,79,Tiddles
Line3,278,aardvark,9,Digger
===================================
Sort String - field4(d)
-----------------------------------
Line1,123,cat,79,Tiddles
Line4,89,gerbil,88,Jerry
Line2,427,dog,298,Jack
Line6,123,goldfish,23,Fred
Line5,427,ferret,706,Faustus
Line3,278,aardvark,9,Digger
===================================
Sort String - field3
-----------------------------------
Line6,123,goldfish,23,Fred
Line2,427,dog,298,Jack
Line5,427,ferret,706,Faustus
Line1,123,cat,79,Tiddles
Line4,89,gerbil,88,Jerry
Line3,278,aardvark,9,Digger
===================================
Sort String - field3(n)
-----------------------------------
Line3,278,aardvark,9,Digger
Line6,123,goldfish,23,Fred
Line1,123,cat,79,Tiddles
Line4,89,gerbil,88,Jerry
Line2,427,dog,298,Jack
Line5,427,ferret,706,Faustus
===================================