Help for this page

Select Code to Download


  1. or download this
      use strict ; use warnings ;

  my $x = 57 ;
  print "\${x}   = '", ${x}, "'\n" ;
  print "\${'x'} = '", ${'x'}, "'\n" ;
  2. or download this
      ${x}   = '57'
  Can't use string ("x") as a SCALAR ref while "strict refs" in use ..
+.
  3. or download this
      ${x}   = '57'
  Use of uninitialized value in print ...
  ${'x'} = ''
  4. or download this
      ${x}   = '57'
  ${'x'} = '57'