system(
    'echo',
    'rsh',
    $sdpType,
    q[perl -pi -e 's/^(command[.]package)=(\\S+)/$1=]
      . $version . q[/gi' $ENV{JBOSS_HOME}/install/version.properties],
);

#then

system(
    'rsh',
    $sdpType,
    q[echo perl -pi -e 's/^(command[.]package)=(\\S+)/$1=]
      . $version . q[/gi' $ENV{JBOSS_HOME}/install/version.properties],
);