print format

[Stan Brown 216371-0043]

In article <1990Aug2.162651.8083 at uunet!unhd>, rgd at 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
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Sometimes even I don't stand behind my opinions; don't expect anyone else to!