¿¹Á¦:
BEGIN { FS = "\t" }
{ pop[$4] += $3 }
END { for ( name in pop )
print name, pop[name]
}
¿¹Á¦:
for (I in pop)
delete pop[I]
¿¹Á¦:
split( "7/4/76", arr, "/")
arr["1"] <- 7
arr["2"] <- 4
arr["3"] <- 76
¿¹Á¦:
for (I = 1; I <= 10; I++)
for (j = 1; j <=10; j++)
arr[I, j] = 0