in reply to printf and variables

That's an odd thing to do, but it will work if you seperate all the array elements with newlines and say, printf split /\n/, $newarray;.

It will work better if you use a real array, 

my @newarray = ('Hello there %3d %5.1f\n');
push @newarray, 123, $pi;
printf @newarray;

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I absorbed the constant greeting into the format string.

After Compline,
Zaxo

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Re^2: printf and variables
by Tanktalus (Canon) on Feb 14, 2005 at 03:49 UTC

    This is close to how I quite often do this very thing:

    my $format = "Hello there %3d!";
my @data = (123);

if (defined $pi) # if we've calculated pi ...
{
  $format .= " %5.1f";
  push @data, $pi;
}

printf "$format\n", @data;

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    Very useful to be able to do this. The above example specifically doesn't seem too useful, but the overall idea is quite useful. At least to me.

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