if ( $condition1 ) {{

  ...

  --$loop, last if $condition2;  #bail!

  ...

  --$loop;

}}


##</code><code>##

if ( $condition1 ) {
  {

    ...

    last if $condition2;

    ...

  }
  --$loop;

}

##</code><code>##


for ( ; $condition1 ; $loop--, last ) {

   ...

   next if $condition2;

   ...
}


##</code><code>##

while ( $condition1 ) {

  ...

  next if $condition2;

  ...

}

continue {

 --$loop;
 last;

}