1*23f24377SWarner Losh{ split("1 1.2 abc", x) 2*23f24377SWarner Losh x[$1]++ 3*23f24377SWarner Losh delete x[1] 4*23f24377SWarner Losh delete x[1.2] 5*23f24377SWarner Losh delete x["abc"] 6*23f24377SWarner Losh delete x[$1] 7*23f24377SWarner Losh} 8