On Wed, Jan 6, 2010 at 11:27 AM, Grove, Michael <migr...@state.pa.us> wrote:
> Can someone tell me why I need double quotes for this to work at the line > with: print $first, $second, $third\n; > > #!/usr/bin/perl -w > > $first = 0xFF; > $second = 0377; > $third = 0b11111111; > print $first, $second, $third\n; > This passes a list to the "print" command. It's equivalent to saying... my @list = ($first, $second, $third); print @list; $answer = $first + $second + $third; > print "$answer\n"; > > It only gives this output when I write double quotes "print $first, > $second, $third\n"; > > 255, 255, 255 > 765 > print "$first, $second, $third\n" prints a single, scalar value. -- Robert Wohlfarth
