first checked in.

dawg/dictstats.pl

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+#!/usr/bin/perl
+
+# print stats about in input stream that's assumed to be a dictionary.
+# Counts and percentages of each letter, as well as total numbers of
+# words.  This is not part of the dictionary build process.  I use it
+# for creating info.txt files for new languages and debugging the
+# creation of dictionaries from new wordlists.
+#
+# Something like this might form the basis for choosing counts and
+# values for tiles without using the conventions established by
+# Scrabble players.  This isn't enough, though: the frequency of
+# letter tuples and triples -- how often letters appear together -- is
+# a better indicator than just letter count.
+
+use strict;
+
+my @wordSizeCounts;
+my @letterCounts;
+my $wordCount;
+my $letterCount;
+
+while (<>) {
+
+    chomp;
+
+    ++$wordSizeCounts[length];
+    ++$wordCount;
+
+    foreach my $letter (split( / */ ) ) {
+        my $i = ord($letter);
+        die "$0: this is a letter?: $i" if $i <= 32; 
+        ++$letterCounts[$i];
+        ++$letterCount;
+    }
+}
+
+print "Number of words: $wordCount\n";
+print "Number of letters: $letterCount\n\n";
+
+
+print "**** word sizes ****\n";
+print "SIZE  COUNT   PERCENT\n";
+for ( my $i = 1 ; $i <= 15; ++$i ) {
+    my $count = $wordSizeCounts[$i];
+    if ( $count > 0 ) {
+        my $pct = (100.00 * $count)/$wordCount;
+        printf "%2d    %5d    %.2f\n", $i, $count, $pct;
+    }
+} 
+
+
+
+print "\n\n**** Letter counts ****\n";
+print "ASCII ORD  HEX     PCT (of $letterCount)\n";
+for ( my $i = 32; $i < 255; ++$i ) {
+    my $count = $letterCounts[$i];
+    if ( $count > 0 ) {
+        my $pct = (100.00 * $count) / $letterCount;
+        printf( "%3s   %3d  %x    %5.2f (%d)\n", 
+                chr($i), $i, $i, $pct, $count );
+    }
+}
+
+print "\n";