1. Use the exit statement to indicate successful or unsuccessful shell script termination. What is an exit code in bash shell? A non-zero (1-255 values) exit status means command was a failure. But it terminates also the caller script. For my own reasons in ths script i have disabled the CTRL C using the trap command. Using return instead of exit will allow you to still launch your script using . Exit without exit code. You can exit a script at any place using the keyword exit.You can also specify an exit code in order to indicate to other programs that or how your script failed, e.g. --Chet Ramey. Assuming that they source the file and then call the function (the exit/return in the function would not be called while sourcing the given file), the shell session would terminate (together with the terminal) if the function used exit. If N is not given, the exit status code is that of the last executed command. For more info see: The exit status of a command; Bourne Shell Exit Status Examples. You can use the file command to see more detail. Your shell script is a script; git is an ELF binary. Terminate the current Powershell script. Instead of launching your script as. Every Linux command executed by the shell script or user, has an exit status. Exit status is an integer number. What happens if I don't specify an exit code. Here's an example: a rewrite of the bkedit script from article 44.8. For my own reasons in ths script i have disabled the CTRL C using the trap command. While it is waiting for 30 seconds i want the option to exit the script by pressing say the x key. Exit without exit code; Exit with code 0; Exit with code 1; Way 2 - Break. Conclusion # Each shell command returns an exit code when it terminates. Exit status is an integer number. In the following example a shell script exits with a 1. The value of N can be used by other commands or shell scripts to take their own action. If quitting CMD.EXE, sets the process exit code no. 0 exit status means the command was successful without any errors. For instance: rsync -azvh /dir -e ssh usr@server.com:/ RESULT="$?" If a command is found but is not executable, the return status is 126. Terminate the current Powershell script. This file is saved as exit.sh. For my own reasons in ths script i have disabled the CTRL C using the trap command. Within a script, an exit nnn command may be used to deliver an nnn exit status to the shell (nnn must be an integer in the 0 - 255 range). This method of invoking (or dotting) a file is used when we need to export a lot of parameters for use by current shell. – Stéphane Chazelas Aug 27 '20 at 5:51 your response makes me realize how little bash I actually know :0 – NSjonas Aug 27 '20 at 6:12 I assume this is an undesirable result because a script doesn't know if it is being sourced or being run in a. The Linux man pages stats the exit statuses of each command. Exit status, of a process in computer programming is a small number passed from a child process (or callee) to a parent process (or caller) when it has finished executing a specific procedure or delegated task. This way, you get an interactive shell and you are immediately logged into the OS running as container. Bash exit script without exiting shell. Enter the following: Linux bash exit status and how to set exit status in bash, Well-behaved UNIX commands, programs, and utilities return a 0 exit code upon #!/bin/bash echo hello echo $? Exit statuses fall between 0 and 255, though,  Likewise, functions within a script and the script itself return an exit status. Examples # The commands’ exit status can be used in conditional commands such as if. If you exit … To return values, you can set a global variable with the result, or use command substitution, or you can pass in the name of a variable to use as the result variable. Every Linux command executed by the shell script or user, has an exit status. # Exit status 0 returned because command executed  When a bash function ends its return value is its status: zero for success, non-zero for failure. # check  @eekfonky, thanks very much for that correction -- sorry to say I'd quite misunderstood the question as being about rsync itself returning strange exit codes, rather than the routine's API wrapper. Shell Scripting Tutorial is this tutorial, in 88-page Paperback and eBook formats. – agc Nov 6 '16 at 18:50, Linux bash exit status and how to set exit status in bash, That check is looking at the exit status of the command that finished most recently before that line runs. If N is omitted, the exit status is that of the last command executed. So i get it to display the info for say 30 seconds then it loops, then displays the new info. The exit command is used to exit a shell with a given status. exit 1 or exit 2 etc. run with a "." The examples below describe these different mechanisms. 1 What exit code should I use? But i want to put in a option to exit the script using the exit command. https://www.putorius.net/using-trap-to-exit-bash-scripts-cleanly.html Way 1 - Exit. When you launch it with bash then a child process for bash will be opened and your script will execute in the child shell and exit statements will make child shell closed and have no scope for parent shell or main shell. But i want to put in a option to exit the script using the exit command. The syntax is as follows: 1. When used in shell scripts, the value supplied as an argument to the exit command is returned to the shell as an exit code. Or you can type more commands as requested. (dot space) prefix, the script runs in the current shell's context, in which case exit statements have the effect of exiting the current shell. ssh serverA uptime ssh serverB uptime ssh serverC uptime # This block is exiting from script after executing ssh once with serverA. 5. Convenient to read on the go, and to keep by your desk as an ever-present companion. The colon indicates that what follows is a Vim command. So i get it to display the info for say 30 seconds then it loops, then displays the new info. Difference between return and exit in Bash functions, From man bash on return [n] ;. The answers/resolutions are collected from stackoverflow, are licensed under Creative Commons Attribution-ShareAlike license. ===== To exit without saving changes made: Press . And paste the … The exit statement is used to exit from the shell script with a status of N. 2. For the bash shell’s purposes, a command which exits with a zero (0) exit status has succeeded. 6. ./