Simple script to check duplicated execution
yuya-takeyama / nodup Goto Github PK
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Simple script to check duplicated execution
cron とかにコマンドを書くときに
$ nodup foo -- ruby script.rb
とかすることで、重複起動をチェックできたら便利そう。
foo がプロセスを識別する名前で、起動時に $HOME/.nodup/foo.pid
というファイルを作成し、終了したら削除する。
マルチスレッドで秒間数 100 回以上起動される、とかいうのは防げないと思うけど、cron みたいに 1 分以上感覚が空く場合なら十分そう。
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