How can I open a Unicode file with Perl?

Question

I\'m using osql to run several sql scripts against a database and then I need to look at the results file to check if any errors occurred. The problem is that Perl doesn\'t

Answer 1

    #
    # -----------------------------------------------------------------------------
    # Reads a file returns a sting , if second param is utf8 returns utf8 string
    # usage:
    # ( $ret , $msg , $str_file )
    #         = $objFileHandler->doReadFileReturnString ( $file , 'utf8' ) ;
    # or
    # ( $ret , $msg , $str_file )
    #         = $objFileHandler->doReadFileReturnString ( $file ) ;
    # -----------------------------------------------------------------------------
    sub doReadFileReturnString {

        my $self      = shift;
        my $file      = shift;
        my $mode      = shift ;

        my $msg        = {} ;
        my $ret        = 1 ;
        my $s          = q{} ;

        $msg = " the file : $file does not exist !!!" ;
        cluck ( $msg ) unless -e $file ;

        $msg = " the file : $file is not actually a file !!!" ;
        cluck ( $msg ) unless -f $file ;

        $msg = " the file : $file is not readable !!!" ;
        cluck ( $msg ) unless -r $file ;

        $msg .= "can not read the file $file !!!";

        return ( $ret , "$msg ::: $! !!!" , undef )
            unless ((-e $file) && (-f $file) && (-r $file));

        $msg = '' ;

        $s = eval {
             my $string = ();    #slurp the file
             {
                local $/ = undef;

                if ( defined ( $mode ) && $mode eq 'utf8' ) {
                    open FILE, "<:utf8", "$file "
                      or cluck("failed to open \$file $file : $!");
                    $string =  ;
                    die "did not find utf8 string in file: $file"
                        unless utf8::valid ( $string ) ;
                }
                else {
                    open FILE, "$file "
                      or cluck "failed to open \$file $file : $!" ;
                    $string =  ;
                }
                close FILE;

             }
            $string ;
         };

         if ( $@ ) {
            $msg = $! . " " . $@ ;
            $ret = 1 ;
            $s = undef ;
         } else {
            $ret = 0 ; $msg = "ok for read file: $file" ;
         }
         return ( $ret , $msg , $s ) ;
    }
    #eof sub doReadFileReturnString