[Solved] What will be the exit code of this script?#!/bin/bash if [ -f "/tmp/file.txt" ]; then exit 3 else exit 0 fi | Bash Scripting

Bash Scripting - Error Handling

What will be the exit code of this script?

#!/bin/bash
if [ -f "/tmp/file.txt" ]; then
  exit 3
else
  exit 0
fi

A0 if /tmp/file.txt exists, 3 if not

B3 if /tmp/file.txt exists, 0 if not

CAlways 0

DAlways 3

Step-by-Step Solution

Solution:

Step 1: Understand the if condition
The script checks if the file /tmp/file.txt exists using -f.
Step 2: Analyze exit codes for each case
If the file exists, it exits with code 3; otherwise, it exits with 0.
Final Answer:
3 if /tmp/file.txt exists, 0 if not -> Option B
Quick Check:
File exists -> exit 3; else -> exit 0 [OK]

Quick Trick: Match exit code to condition true/false carefully [OK]

Common Mistakes:

MISTAKES

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