[Solved] Consider this script snippet with set -o pipefail enabled: set -o pipefail false | true | true echo $? What will be the output? | Bash Scripting

Bash Scripting - Error Handling

Consider this script snippet with set -o pipefail enabled:

set -o pipefail
false | true | true
echo $?

What will be the output?

A1

B0

C2

D3

Step-by-Step Solution

Solution:

Step 1: Understand commands in pipeline
The first command false returns exit status 1 (failure), the others return 0 (success).
Step 2: Effect of set -o pipefail
With pipefail, the pipeline exit status is the exit status of the last failed command, which is 1.
Final Answer:
1 -> Option A
Quick Check:
Pipeline exit status = last failure = 1 [OK]

Quick Trick: With pipefail, pipeline returns last error code [OK]

Common Mistakes:

MISTAKES

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