/*
pick
offer choice on each argument

from kernighan and pike, page 187
*/

#include <stdio.h>

char *progname;		/*program name for error message*/

main(argc, argv)
int argc;
char *argv[];
{
	int i;
	char buf[4*BUFSIZ];	/* large buffer for 256*15char dir */
	
	progname = argv[0];
	
	if (argc == 2 && strcmp(argv[1], "-") == 0)	/*pick - */
	{
		while (fgets(buf, sizeof buf, stdin) != NULL)
		{
			buf[strlen(buf) - 1] = '\0'; 	/*drop newline*/
			pick(buf);
		}
	}
	else
	{
		for (i = 1; i < argc; i++)
			pick(argv[i]);
	}
	exit(0);
}


pick(s)		/*offer choice of s*/
char *s;
{
	fprintf(stderr, "%s? ", s);
	if (ttyin() == 'y')
		printf("%s\n", s);
		
}