yourshell
  perl bugSTDOUT.pl
     perl bugSTDOUTb.pl
        perl bugSTDOUTc.pl    

##</code><code>##

cmd.exe
  perl bugSTDOUT.pl           *
    cmd.exe                   *
      perl bugSTDOUTb.pl      *
        cmd.exe
          perl bugSTDOUTc.pl   

##</code><code>##

C:\test>type bug*

bugSTDOUT.pl

#!/usr/bin/perl
print STDOUT "Running bugSTDOUTb.pl with backticks\n";
print STDOUT "stdout from bugSTDOUTb.pl=" . `$^X bugSTDOUTb.pl` . "\n";

bugSTDOUTb.pl

#!/usr/bin/perl
print STDOUT "Running bugSTDOUTc.pl with system()\n";
system( $^X, 'bugSTDOUTc.pl' );
print STDOUT "$0 done\n";

bugSTDOUTc.pl

#!/usr/bin/perl
print STDOUT "Hello world!\n";

##</code><code>##

C:\test>bugSTDOUT.pl
Running bugSTDOUTb.pl with backticks
stdout from bugSTDOUTb.pl=Running bugSTDOUTc.pl with system()
Hello world!
bugSTDOUTb.pl done