BEGIN { FS = "\t" } { if (NF < 1) $1 = "" if (NF < 2) $2 = "" if (NF < 3) $3 = "" x = substr($2,1,1) y = index($2,"=") if (x == "." || x == "<" || x == ">" || y != 0 ) $2 = " " $2 printf("%-15.0s %-35.0s %s\n",$1,$2,$3); }