nawk.sc4

UNIX+shell范例精解（第4版）代码

# Awk script illustrating arrays
BEGIN{OFS="\t"}
{ list[NR] = $1 }   # The array is called list. The index in the
                    # number of the current record. The value of the 
                    # first field is assigned to the array element.
END{ for( n = 1; n <= NR; n++){
         print list[n]} # for loop is used to loop 
                        # through the array.
}