Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!abvax!iccgcc!browns
From: browns@astro.pc.ab.com (Stan Brown  (216)371-0043)
Newsgroups: comp.lang.c
Subject: Re: print format
Message-ID: <328.26b93bb8@astro.pc.ab.com>
Date: 3 Aug 90 13:54:15 GMT
References: <1990Aug2.162651.8083@uunet!unhd>
Distribution: usa
Lines: 20

In article <1990Aug2.162651.8083@uunet!unhd>, rgd@uunet!unhd (Roger G Desroches II) writes:
> Is there a way to specify the format in a print statement with a variable.
> What I want to do is print out a group of strings so they are all right
> justified on the right side with the largest string.  (example)
> 
> 	format = sizeof(largest_string);
> 	for (i=0;array[i];i++)
> 		printf("%[format]s\n",array[i]);
> 			     ^^^^^^^^
> 				 this is what I want to do.
> 

Do it this way:
	format = strlen(largest_string);
	for (i=0; arraay[i]; ++i)
	    printf("%*s\n", format, array[i]);

Stan Brown, Oak Road Systems
#include <disclaimer.h>
Sometimes even I don't stand behind my opinions; don't expect anyone else to!