How to avoid a shell script exiting on failure for particular commands

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The following script runs with the -e option, so it will exit if any of the commands in it fail:

#!/bin/sh -e
command1 #script should fail if command1 fails
command2 #script should NOT fail if command2 fails
command3 #script should fail if command3 fails

How can I make the script not to fail on command2?

command1
command2 || true
command3

Preventing bash script from exiting after command error, I assume you have set -e or equivalent in the script, so it exits if a command fails. Now this is unidiomatic: some command if [ $? -eq 0 ]; then . Use the exit statement to indicate successful or unsuccessful shell script termination. The value of N can be used by other commands or shell scripts to take their own action. If N is omitted, the exit status is that of the last command executed. Use the exit statement to terminate shell script upon an error. If N is set to 0 means normal shell exit. Create a shell script called exitcmd.sh: Examples

You could turn off the setting as required:

#!/bin/sh
set -e

command1 #script should fail if command1 fails

set +e
command2 #script should NOT fail if command2 fails
set -e

command3 #script should fail if command3 fails

How to Ignore Failures in a Shell Step? – CloudBees Support, I don't want a Shell script to abort on failure; I want to run a Shell script all bash, you can control the execution of your script on error (exit code Another way of not stopping on a failure is to add || true to your command or  Other numbers can be used, but these are treated modulo 256, so exit -10 is equivalent to exit 246, and exit 257 is equivalent to exit 1. These can be used within a shell script to change the flow of execution depending on the success or failure of commands executed. This was briefly introduced in Variables - Part II.

if you are running a command in shell that exits you can prevent it by running it inside a sub-shell:

(. script.sh)

How to Exit When Errors Occur in Bash Scripts, exit when any command fails set -e # keep track of the last executed is often fine, but sometimes you only care if certain commands fail. In order to be good script writers, we must set the exit status when our scripts finish. To do this, use the exit command. The exit command causes the script to terminate immediately and set the exit status to whatever value is given as an argument.

command line, Edit: I should have mentioned it before, my aim was to echo the error and exit if it was not clear. w.r.t to my specific case of catching errors when  How to automatically detect command failure I have a shell script. In this script I executes various command and my requirement is such that if any command fails I've to terminate the shell script.

How to disable set -e for an individual command?, Something like this: #!/usr/bin/env bash set -e echo hi # disable exitting on error temporarily set +e aoeuidhtn echo next line # bring it back set  Hi, I am trying to exit the script from a function. I was in assumption that if we use exit ( inside or outside the function) it will exit from the script. alternatively, return will exit from that particular function. but in my case, exit is exiting from the function and not the script. (8 Replies)

[Chapter 44] 44.11 Set Exit Status of a Shell (Script), How do I stop a Linux script from command line? Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Comments
  • It may be necessary in some situations (perhaps you need to take different actions depending on the exact exit status of command2).