[me@host scratch]$ perl -wle 'open STDERRIN,"<&STDERR" or die $!;  my $line = <STDERRIN>;  print "YAY!!! $line";'
sadf
YAY!!! sadf

[me@host scratch]$ 

##</code><code>##

[me@host scratch]$ perl -v

This is perl, version 5.005_03 built for i386-linux
...