很多重复命令（如：建几万个基因树）用 for 循环串行太慢了，可以使用 ParaFly 并行。

    • 操作
      先用 for 循环或者 awk 将要运行的命令放入文件 cmd.sh
    1. ParaFly -c cmd.sh -CPU 20
    • 运行结束后
    1. Number of  Commands: 22967
    4. All commands completed successfully. :-)
    • 参数意义
    1. $ ParaFly
    2. ##########################################################
    3. #
    4. # Usage: ParaFly (opts)
    5. #
    6. # Required:
    7. #   -c <str>              :filename containing list of bash-style commands to execute.
    8. #   -CPU <int>            :number_of_threads
    9. #
    10. # Optional:
    11. #   -shuffle              :randomly shuffles the command order.
    12. #   -failed_cmds <str>    :filename to capture failed commands.  default("FailedCommands")
    13. #   -v                    :simple progress monitoring.
    14. #   -vv                   :increased verbosity in progress monitoring.
    15. #
    16. ##########################################################
    18. Note: This process creates a file named based on your commands filename with a .completed extension.
    19. This enables a resume functionality, where if rerun, only those commands not completed successfully will be reprocessed.