gecko/intl/chardet/tools/charfreq.pl

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#!/usr/bin/perl
#!/usr/bin/perl
#
2012-05-21 04:12:37 -07:00
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
open (STAT,$ARGV[0]) || die " cannot open data file $ARGV[0]\n";
@count;
while(<STAT>)
{
@k = split(/\s+/, $_);
$count{$k[0]} = $k[1];
}
$count = 0;
while(<STDIN>)
{
@ck = split /\s*/, $_;
$s = 0;
$fb = 0;
$cl = $#ck;
$j = 0;
while($j < $cl) {
$cc = unpack("C", $ck[$j]);
if(0 eq $s ) {
if($cc > 0x80) {
if($cc > 0xa0) {
$fb = $ck[$j];
$s = 2;
} else {
$s = 1;
}
}
} elsif (1 eq $s) {
} else {
if($cc > 0xa0) {
$fb .= $ck[$j];
$count{$fb}++;
print $fb . " " .$count{$fb} . "\n";
$s = 0;
} else {
$s = 1;
}
}
$j = $j + 1;
}
}
foreach $c (sort(keys( %count )))
{
print $c . " ". $count{$c} . "\n";
}