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- #!/usr/bin/perl
-
- $/ = ""; # Enable paragraph mode.
- $* = 1; # Enable multi-line patterns.
-
- # Now read each paragraph and split into words. Record each
- # instance of a word in the %wordcount associative array.
-
- while (<>) {
- s/-\n//g; # Dehyphenate hyphenations.
- tr/A-Z/a-z/; # Canonicalize to lower case.
- @words = split(/\W*\s+\W*/, $_);
- foreach $word (@words) {
- $wordcount{$word}++; # Increment the entry.
- }
- }
-
- # Now print out all the entries in the %wordcount array.
-
- foreach $word (sort keys(%wordcount)) {
- printf "%20s %d\n", $word, $wordcount{$word};
- }
-