Bash Scripting - User Input
Consider this script run as
What is the output?
./script.sh a b c d e:#!/bin/bash shift shift 2 echo "$1 $2"
What is the output?
Consider this script run as ./script.sh a b c d e:
medium📝 Command Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Initial arguments
$1=a, $2=b, $3=c, $4=d, $5=e.Step 2: Apply first
Removes 'a', now $1=b, $2=c, $3=d, $4=e.shiftStep 3: Apply
Removes 'b' and 'c', now $1=d, $2=e.shift 2Final Answer:
d e -> Option DQuick Check:
Multiple shifts remove correct args [OK]
Quick Trick: Multiple shifts add up to total removed args [OK]
Common Mistakes:
MISTAKES- Not adding shifts correctly
- Assuming shifts reset arguments
- Confusing argument positions after multiple shifts
Master "User Input" in Bash Scripting
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