while (<CIPA>) {
    my $string = $_;
    my $stmt_tr = substr($_,126,10);
        if ((substr($string,126,1) =~ m/5/) && (substr($string,98,8) =~ m/20081112/)) {

##</code><code>##

while ( my $string = <CIPA> ) {
    my $stmt_tr = substr $string, 126, 10;
        if ( substr( $string, 126, 1 ) == 5 && substr( $string, 98, 8 ) == 20081112 ) {