$bkp_info = `sed -e :a -e "{$d;N;2,3ba}" -e "{P;D}" /db2/$DB2DBDFT/Messages/temp.txt`;

##</code><code>##

my $cmd = q{sed -e :a -e '{$d;N;2,3ba}' -e "{P;D}" /db2/$DB2DBDFT/Messages/temp.txt};
$bkp_info = `$cmd`;