Another change in requirements? Wow. Full rewrite needed for this one. 

use strict;
use warnings;
use Text::CSV;

my $csv = Text::CSV->new( { sep_char => "\t" } ); # assuming tab separ
+ated input
open my $words, "<", "words.txt" or die "Cannot open words.txt: $!\n";

# the following shows what's in words.txt; it is NOT words.txt itself!
=head words.txt
how            o                B-NP
are            o                I-NP
you            o                I-NP
some        o                o
really    o                B-GP 
=cut

my $lasttype;
my @text;
while( my $row = $csv->getline( $words ) ) {
        my $text = $$row[0];
        my $type = ( $$row[-1] =~ /\w-(\w+)/ ) ? $1 : "";
        $lasttype = $type unless @text; # special treatment for first 
+row
        if( $type eq $lasttype ) {
                push @text, $text;
        } else {
                print '<key="type">'."$lasttype</key><text>@text</text
+>\n" if $lasttype;
                $lasttype = $type;
                @text = ( $text );
        }
}

# print what's left over when all input read
print '<key="type">'."$lasttype</key><text>@text</text>\n" if $lasttyp
+e;

close $words;

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In reply to Re^5: create an xml file from column file by hdb
in thread create an xml file from column file by lakssreedhar

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