1BEGIN { 2 c[" "] = "\" \"" 3 c["\a"] = "\\a" 4 c["\b"] = "\\b" 5 c["\f"] = "\\f" 6 c["\n"] = "\\n" 7 c["\r"] = "\\r" 8 c["\t"] = "\\t" 9 c["\v"] = "\\v" 10 11 sort = "LC_ALL=C sort" 12 13 for (i in c) 14 printf("%s %s [[:space:]]\n", c[i], 15 i ~ /[[:space:]]/ ? "~" : "!~") | sort 16 17 for (i in c) 18 printf("%s %s [[:blank:]]\n", c[i], 19 i ~ /[[:blank:]]/ ? "~" : "!~") | sort 20 21 close(sort) 22} 23