Posts Tagged ‘sleep’

Linux Terminal Clock

Posted: 9th March 2015 by Tim in Bash, Linux
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Ever wanted to have a real-time clock on your linux terminal? We can create one with a single line of bash, like so: while echo -en “$(date)\r”; do sleep 1; done Let’s look at how this works: date is a common unix tool used to print the current date and time. The $(…) means that […]

Nanosleep in C / C++

Posted: 29th September 2009 by Tim in C, C++
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usleep is not a very accurate form of sleep in C / C++. From the man page: The sleep may be lengthened slightly by any system activity or by the time spent processing the call or by the granularity of system timers. nanosleep, on the other hand, is much more accurate. The following code will […]