/* urlencoded2sh
 * convert x-www-form-urlencoded data to sh style variable decls
 */

#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <stdlib.h>


int main(int argc, char *argv[])
{
	int	c;
	char	tmp[3];
	int mustclose = 0;

	tmp[2] = '\0';

	while((c = fgetc(stdin)) != EOF) {
		if(c == '&') {
			fputc('\'', stdout);
			fputc('\n', stdout);
			mustclose = 0;
			continue;
		}
		if(c == '+') {
			c = ' ';
		} else if(c == '=') {
			fputc(c, stdout);
			c = '\'';
			mustclose = 1;
		} else if(c == '\'') {
			fputs("'\"'\"'", stdout);
			continue;
		} else if(c == '%') {
			/* Pick up 2 hex bytes for char */
			c = '?';
			if((c = fgetc(stdin)) != EOF) {
				tmp[0] = c;
				if((c = fgetc(stdin)) != EOF) {
					tmp[1] = c;
					c = (int) strtol(tmp, NULL, 16);
				}
			}
			if(c == '\'') {
				fputs("'\"'\"'", stdout);
				continue;
			}
		} else if(c == '\n') {
			/* skip newlines for now.  They are nasty */
			continue;
		}
		fputc(c, stdout);
	}
	if(mustclose) fputc('\'', stdout);
	fputc('\n', stdout);
	exit(0);
}