Links on July 10, 2006
- Date
- 2006-07-10 (Mon)
- Category
- Links
- Mac OS X: キーボードショートカット
- スリープさせるキーボードショートカットってしらなんだ。Ctr-Eject で、ダイアログ、Opt-Com-Eject で直接スリープとな。
- Rabin Karp アルゴリズムでコード重複の検出
- Hash を使った文章比較、って僕も前に考えた。というか今も考え中。CVS ほどの大規模でなくても、普段のファイル出し入れ作業を変えることなくバージョン管理とかできたらすてきかな〜とか。
- CREATIVE WORLD 2006 - あの「大神」のタッチ、モーションはどう実現!?
- 日本ってこういうところ素敵。行きたいけど。。大神は最初の Movie が発表された時から、ずっと見続けている気がするけれど、まだプレイしたこともない。
- スラド：大規模なソースコード、何万行までいじれますか? のコメント
- Slashdot を読んで、たまに出会うこういう shell 小技。ログの切り出しとか、こういうのでコマンドを覚えた僕はいったい。
taka2 (14791) のコメント: 2006年07月10日 17時51分 (#975691)
> cat *.[ch] | wc -l
だと、サブディレクトリ下のファイルが計れないっすよ。
とはいえ、
> find . -type f | xargs wc -l | awk '{l += $1}END{print l}'
これはダメですね。wc は、引数の個々のファイルについての計測結果とは別に、最後に調査したファイル全部の合計も表示しますから、出てる数字全部足したら2倍の数字が出てしまいます。
そんなにファイルが多くないなら、
find . -type f -print0 | xargs -0 wc -l | grep total
で十分でしょう。ファイル数が多いなら、
find . -type f -print0 | xargs -0 wc -l | grep total | awk '{l += $1}END{print l}'
で。
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