In a Bash script, how can I exit the entire script if a certain condition occurs?

In a Bash script, how can I exit the entire script if a certain condition occurs?

bash scripting exit exit-code

bash

Automatic exit from Bash shell script on error [duplicate]

bash shell error-handling exit

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Difference between return and exit in Bash functions

bash function return-value return exit

bash

Checking Bash exit status of several commands efficiently

bash exit

bash

How to exit if a command failed? [duplicate]

linux bash exit exitstatus

bash

Exit a Script On Error

bash exit shell

bash

How to undo the effect of "set -e" which makes bash exit immediately if any command fails?

bash exit

bash

Is there a way to write a Bash function which aborts the whole execution, no matter how it is called?

bash function exit subshell

bash

Removing created temp files in unexpected bash exit

bash exit temporary-files

bash

exit with error message in bash (oneline)

bash message exit

bash

Get exit code for command in bash/ksh

bash unix ksh exit

bash

Bash: One-liner to exit with the opposite status of a grep command?

regex bash grep exit exit-code

bash

exit function stack without exiting shell

bash function shell exit

bash

How to exit a shell script if targeted file doesn't exist

linux bash shell exit

bash

Return an exit code without closing shell

bash return exit return-code

bash