Bonus Tip: Sleep less than a second You might have noticed that the smallest unit of time in the sleep command is second. But what if your bash script to sleep for milliseconds? The good thing is that you can use floating point (decimal points) with sleep command. So if you want to ...
[ $seconds -gt 0 ]is a condition for a loop that checks whether thesecondsvariable is greater than 0 or not. If yes, then, it will initiate the loop. clear: A clear command is used to clear the terminal console. sleep 1: Sleep for one second. seconds=$((seconds-1)): Reduces the...
Now, the terminal application has been launched. It’s time to create a new Bash file. For this, you need to utilize the simple “touch” query of Bash programming to create a new Bash file containing the Bash extension, i.e., “bash.sh”. The file has been generated within Ubuntu’...
We can set a sleep time and check how it is working. The sleep command pauses the process and puts the system to sleep. Let’s try it out now. Here, we use the sleep command with a ‘for loop’, giving you a good night message every 20 seconds. #!/bin/bash echo "For loop ...
# There are some cool tricks, to use for oneliners, or for making faster skripts! # In this command the right command, will be executed after the left one. sleep 2 ; echo "1 - Hello There!" # Here, the left command, will be pushed in the background, and the right starts i...
## set some other defaults ## alias df = 'df -H' alias du = 'du -ch' # top is atop, just like vi is vim alias top = 'atop' ## nfsrestart - must be root ## ## refresh nfs mount / cache etc for Apache ## alias nfsrestart = 'sync && sleep 2 && /etc/init.d/httpd ...
Bash is a name of the unix shell, which was also distributed as the shell for the GNU operating system and as the default shell on most Linux distros. Nearly all examples below can be a part of a shell script or executed directly in the shell. ...
now=`date +'%Y%m%d%H%M'`deadline=`date --date='30 second' +'%Y%m%d%H%M'`whiletest $now-lt $deadlinedodate echo"not yet"sleep10now=`date +'%Y%m%d%H%M'`done echo"now, deadline reached" 2019年11月11日 星期一15:07:31CSTnot yet2019年11月11日 星期一15:07:41CSTnot ye...
(( cnt++ ))doneechoechocnt=1foriin“$@”doecho“Number of$cntparametre is:$i” (( cnt++ ))done 执行这个文件: ./test_1.sh “Hello, how are you?” Second Third Fourth 输出的结果会是: Number of 1 parameter is: Hello, how are you?%Second%Third%Fourth ...
const name = prompt("What is your name?");Prompt for user input and return after <Enter> pressed; also aliased asread(). sleep(2000)Sleep for specified number of milliseconds (synchronous and will not block event loop) Command Execution(detailed docs below) ...