all tasks

Task/URL-encoding/AWK/url-encoding.awk

@@ -0,0 +1,24 @@
+BEGIN {
+	for (i = 0; i <= 255; i++)
+		ord[sprintf("%c", i)] = i
+}
+
+# Encode string with application/x-www-form-urlencoded escapes.
+function escape(str,    c, len, res) {
+	len = length(str)
+	res = ""
+	for (i = 1; i <= len; i++) {
+		c = substr(str, i, 1);
+		if (c ~ /[0-9A-Za-z]/)
+		#if (c ~ /[-._*0-9A-Za-z]/)
+			res = res c
+		#else if (c == " ")
+		#	res = res "+"
+		else
+			res = res "%" sprintf("%02X", ord[c])
+	}
+	return res
+}
+
+# Escape every line of input.
+{ print escape($0) }