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| #!/usr/bin/perl
my $CMD="tokenise.pl";
my $VERSION="1.1";
my $MODIFIED="30/6/2004";
###########################################################################
# tokenises text for French TreeTagger
# Achim Stein <achim@ims.uni-stuttgart.de>
###########################################################################
# Separate characters at the beginning of words
my $begin_char='[|{(\/\´\`"»«\202\204\206\207\213\221\222\223\224\225\226\227\233°';
# Separate characters at the end of words
my $end_char=']|}\/\'\`\"),;:\!\?\%»«\202\204\205\206\207\211\213\221\222\223\224\225\226\227\233°|';
# Separate strings at the beginning of words
my $begin_string='[dcjlmnstDCJLNMST]\'|[Qq]u\'|[Jj]usqu\'|[Ll]orsqu\'';
# Separate strings at the end of words
my $end_string='-t-elles?|-t-ils?|-t-on|-ce|-elles?|-ils?|-je|-la|-les?|-leur|-lui|-mêmes?|-m\'|-moi|-nous|-on|-toi|-tu|-t\'|-vous|-en|-y|-ci|-là';
###########################################################################
# DO NOT MODIFY FOLLOWING CODE !
###########################################################################
my $HELP="
---------------------------------------------------------------------------
$CMD $VERSION (c) Achim Stein $MODIFIED
---------------------------------------------------------------------------
FUNCTION: segments text for French TreeTagger
SYNTAX: $CMD [options] <file>
OPTIONS:
-h print help screen
-w replace whitespace by SGML-Tags (use TreeTagger -sgml option!)
EXAMPLE:
tokenise.pl test.txt | tree-tagger parfile -token -lemma -sgml > test.tgd
";
###########################################################################
# parse command line
###########################################################################
use Getopt::Std;
getopts('hw');
if(defined($opt_h)) {
print STDERR "$HELP";
exit(1);
}
###########################################################################
# read the file
###########################################################################
while (<>) {
# delete \r
s/\r//g;
# replace blanks within SGML Tags
while (s/(<[^<> ]*)[ \t]([^<>]*>)/$1\377$2/g) {};
# replace whitespace by SGML-Tags
if(defined($opt_w)) {
s/\n/<internal_NL>/g;
s/\t/<internal_TAB>/g;
s/ /<internal_BL>/g;
}
# restore SGML Tags
tr/\377/ /;
# put special characters around SGML Tags for tokenisation
s/(<[^<>]*>)/\377$1\377/g;
s/(&[^; \t\n\r]*;)/\377$1\377/g;
s/^\377//;
s/\377$//;
s/\377\377/\377/g;
@S = split("\377");
for($i=0; $i<=$#S; $i++) {
$_ = $S[$i];
# skip lines with only SGML tags
if (/^<.*>$/) {
print $_,"\n";
}
# normal text
else {
# put spaces at beginning and end
$_ = ' '.$_.' ';
# put spaces around punctuation
s/(\.\.\.)/ ... /g;
s/([;\!\?\/])([^ ])/$1 $2/g;
s/([.,:])([^ 0-9.])/$1 $2/g;
@F = split;
for($j=0; $j<=$#F; $j++) {
my $suffix="";
$_ = $F[$j];
# cut off punctuation and brackets
do {
$finished = 1;
# preceding brackets etc.
if (s/^([$begin_char])(.)/$2/) {
print $1,"\n";
$finished = 0;
}
# following brackets etc.
if (s/(.)([$end_char])$/$1/) {
$suffix = "$2\n$suffix";
$finished = 0;
}
# cut off dot after punctuation etc.
if (s/([$end_char])\.$//) {
$suffix = ".\n$suffix";
if ($_ eq "") {
$_ = $1;
}
else {
$suffix = "$1\n$suffix";
}
$finished = 0;
}
}
while (!$finished);
# deal with listed tokens
if (defined($Token{$_})) {
print "$_\n$suffix";
next;
}
# deal with abbrevs like U.S.A.
if (/^([A-Za-zہ-ے]\.)+$/) {
print "$_\n$suffix";
next;
}
# ordinal numbers
if (/^[0-9]+\.$/) {
print "$_\n$suffix";
next;
}
# deal with differnt types of dots
if (/^(..*)\.$/ && $_ ne "...") {
$_ = $1;
$suffix = ".\n$suffix";
if (defined($Token{$_})) {
print "$_\n$suffix";
next;
}
}
# cut clitics off
while (s/^($begin_string)(.)/$2/) {
print $1,"\n";
}
while (s/(.)($end_string)$/$1/) {
$suffix = "$2\n$suffix";
}
print "$_\n$suffix";
}
}
}
} |
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