# 创建音频线程 defaudio_thread():whileTrue:ifnot ch.get_queue():forxinrange(BUFFERSIZE):ifx%BLOCKSIZE==0:outbuf=m.process(inbuf)samples[selector][x][0]=outbuf[(x%BLOCKSIZE)*2]samples[selector][x][1]=outbuf[(x%BLOCKSIZE)*2+1]ch.queue(sounds[selector])selector=int(not selecto...
在Shell编程的世界中,while循环是另一个强大的控制结构,与for循环一样,它在自动化任务和脚本编写中扮演着重要角色。while循环的灵活性使其能够处理各种条件控制的任务,从简单的计数器到复杂的逻辑判断,while循环都能提供有效的解决方案。 在这篇文章中,我们将深入探讨Shell脚本中的while循环,了解其基本语法和高级应用。
您可以使用@来计算算术表达式，例如@ x = 2 + 2将$x设置为4;把它作为练习。将算术表达式括在反引...
这与 Unix 进程之间的父子关系有关。它影响所有运行在管道中的命令,而不仅仅是对 read 的简单调用。例如,将命令的输出管道传递到一个反复调用 read 的while 循环中会导致相同的行为。 管道的每个部分,甚至是内置函数或 shell 函数,都运行在单独的进程中,是运行管道的 shell 的子进程。一个子进程无法影响其父...
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4. Can a 'DO WHILE' loop in REXX execute zero times? A. Yes B. No C. Only if the condition is false D. Only if the condition is true Show Answer 5. What will happen if the condition in a 'DO WHILE' loop never becomes false? A. The loop will run indefinitely B. Th...
1. Awk While Loop Example: Create a string of a specific length $awk 'BEGIN { while (count++<50) string=string "x"; print string }' xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx The above example uses the ‘BEGIN { }’ special block that gets executed before anything else in an Aw...
whiledoes not get its own PID because its a shell builtin, you will get the PID listed asbashprocess. To get the PID, insertecho $$insidewhileloop and useps aux | grep '[b]ash'to match the PID. If any command is not a shell builtin you can get the PID using usual manner e....
这是一篇socket应用级别的文章,更深入的了解(自己写的): 最大视角-从Unix底层 理解 python的io模型、python异步IO、python的select、Unix的select、epoll fileno 的本质:可读写文件 一图了解 socket原理 Python 标准输入输出 通常:一些简单的概念结合在... 查看原文 细说socket socket的所有连接 socket_read()读取...
Once downloaded it can be run in the same way as on any other Unix-like system. For more information please see the 'Running Murmur on Unix-like systems' above. Running Murmur on Win32 Doubleclick the Murmur icon to start murmur. There will be a small icon on your taskbar from which ...