print format

[Shiping Zhang]

In article <31530014 at hpcvia.CV.HP.COM> brianh at hpcvia.CV.HP.COM (brian_helterline) writes:
>>
>>	format = sizeof(largest_string);
>>	for (i=0;array[i];i++)
>>		printf("%[format]s\n",array[i]);
>>			     ^^^^^^^^
>>				 this is what I want to do.
>How about this:
>
>	/* char string[10];  declare this somewhere */
>
>	sprintf( string, "%%%ds\n", sizeof(largest_string));
                         ^       ^ double quots would be missing from
                                   string, should be modified a little bit
>	/* string now looks like "%25s\n" or equiv. */
>	for (i=0;array[i];i++)
>		printf(string,array[i]);

The following should also work:

	format = sizeof(largest_string);
	for (i=0;array[i];i++)
		printf("%*s\n",format,array[i]);


-ping