Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!cunixf.cc.columbia.edu!cubmol!ping
From: ping@cubmol.bio.columbia.edu (Shiping Zhang)
Newsgroups: comp.lang.c
Subject: Re: print format
Message-ID: <1990Aug7.002924.3418@cubmol.bio.columbia.edu>
Date: 7 Aug 90 00:29:24 GMT
References: <1990Aug2.162651.8083@uunet!unhd> <31530014@hpcvia.CV.HP.COM>
Reply-To: ping@cubmol.bio.columbia.edu (Shiping Zhang)
Organization: Dept. of Biology, Columbia Univ., New York, NY
Lines: 26

In article <31530014@hpcvia.CV.HP.COM> brianh@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