1*23f24377SWarner LoshBEGIN { FS = ":" } 2*23f24377SWarner Losh{ if (a) print "a", a 3*23f24377SWarner Losh if (b == 0) print "b", b 4*23f24377SWarner Losh if ( c == "0") print "c", c 5*23f24377SWarner Losh if (d == "") print "d", d 6*23f24377SWarner Losh if (e == 1-1) print "e", e 7*23f24377SWarner Losh} 8*23f24377SWarner Losh$1 == 0 {print "$1 = 0"} 9*23f24377SWarner Losh$1 == "0" {print "$1 = quoted 0"} 10*23f24377SWarner Losh$1 == "" {print "$1 = null string"} 11*23f24377SWarner Losh$5 == 0 {print "$5 = 0"} 12*23f24377SWarner Losh$5 == "0" {print "$5 = quoted 0"} 13*23f24377SWarner Losh$5 == "" {print "$5 = null string"} 14*23f24377SWarner Losh$1 == $3 {print "$1 = $3"} 15*23f24377SWarner Losh$5 == $6 {print "$5 = $6"} 16