#!/usr/bin/env LD_LIBRARY_PATH=/my/lib /usr/bin/perl

   warn "$ENV{LD_LIBRARY_PATH}\n";

##</code><code>##

   #!/usr/bin/env /usr/bin/perl

##</code><code>##

   #!/bin/sh -- # -*- perl -*-
   eval 'exec /usr/bin/env LD_LIBRARY_PATH=/my/lib /usr/bin/perl -S $0 ${1+"$@"}'
      if $runningUnderSomeShell;

##</code><code>##

   #!/usr/bin/perl
   BEGIN {$ENV{LD_LIBRARY_PATH}='/my/lib'}
   use SVN::Core;
   ...