How do you break a while loop in Linux?
In the following example, we are using the built-in command : to create an infinite loop. : always returns true. You can also use the true built-in or any other statement that always returns true. The while loop above will run indefinitely. You can terminate the loop by pressing CTRL+C .
How do you break a while loop in Unix?
You can use the break command to exit from any loop, like the while and the until loops. The loop runs until it reaches 14 then the command exits the loop.
How do you break a while loop in shell?
break exits from a for, select, while, or until loop in a shell script. If number is given, break exits from the given number of enclosing loops. The default value of number is 1 . break is a special built-in shell command.
How do you break a loop in bash?
If you want to exit the loop instead of exiting the script, use a break command instead of an exit. #!/bin/bash while true do if [ `date +%H` -ge 17 ]; then break # exit loop fi echo keep running ~/bin/process_data done … run other commands here …
What is the Do while command in Linux?
while command in Linux is used to repeatedly execute a set of command as long as the COMMAND returns true. The test command is given and all other commands are executed till the given command’s result satisfies, when the command’s result become false, the control will be out from the while command.
What is break in bash?
Bash break Statement The break statement terminates the current loop and passes program control to the command that follows the terminated loop. It is used to exit from a for , while , until , or select loop.
How do you write a while loop in bash?
While Loop with a Continue Statement
- #While Loop Example with a Continue Statement.
- while [ $i -le 10 ]
- if [[ “$i” == 5 ]];
How do I sleep a process in Linux?
The Linux kernel uses the sleep() function, which takes a time value as a parameter that specifies the minimum amount of time (in seconds that the process is set to sleep before resuming execution). This causes the CPU to suspend the process and continue executing other processes until the sleep cycle has finished.
How do I use the sleep command in Linux?
/bin/sleep is Linux or Unix command to delay for a specified amount of time. You can suspend the calling shell script for a specified time. For example, pause for 10 seconds or stop execution for 2 mintues. In other words, the sleep command pauses the execution on the next shell command for a given time.