yohei-a https://blog.hatena.ne.jp/yohei-a/ ablog https://yohei-a.hatenablog.jp/ Perl MapReduce シリアル % echo 'To be or not to be, that is the question'| perl -lane 'map{s/,//g;$hash{lc($_)}++} @F;foreach(keys %hash){print qq/$_:$hash{$_}/}' the:1 that:1 not:1 is:1 question:1 to:2 or:1 be:2 map だけパラレル? % echo 'To be or not to be, that is the question' > input_1.txt % perl -MFile::Copy=copy -e 'f… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohei-a.hatenablog.jp%2Fentry%2F20120308%2F1331205027" title="Perl ワンライナーで遊んだメモ - ablog" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2012-03-08 20:10:27 rich https://yohei-a.hatenablog.jp/entry/20120308/1331205027 1.0 100%