Bash Scripting - Error Handling
You want a script to exit on error but allow a specific command to fail without stopping. How do you write it?
You want a script to exit on error but allow a specific command to fail without stopping. How do you write it?
hard🚀 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Enable exit on error globally
Useset -eto make the script exit on any error.Step 2: Allow specific command to fail without exiting
Usecommand2 || trueso failure of command2 does not cause exit.Step 3: Confirm other commands still cause exit on error
Other commands like command1 and command3 will still cause exit if they fail.Final Answer:
set -e\ncommand1\ncommand2 || true\ncommand3 -> Option BQuick Check:
Use || true to allow failure with set -e [OK]
Quick Trick: Use || true to ignore error for one command [OK]
Common Mistakes:
MISTAKES- Disabling set -e globally
- Not handling allowed failure properly
- Using if without understanding exit behavior
Master "Error Handling" in Bash Scripting
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