Bash Scripting - User Input
Which command correctly reads three variables
var1, var2, and var3 from a single line of input in bash?Which command correctly reads three variables var1, var2, and var3 from a single line of input in bash?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the read command syntax
The basic syntax to read multiple variables isread var1 var2 var3.Step 2: Analyze options
read var1 var2 var3 uses the correct syntax. read -p var1 var2 var3 incorrectly uses-pwhich is for prompt message. read -a var1 var2 var3 uses-awhich reads into an array, not separate variables. read var1,var2,var3 uses commas which is invalid.Final Answer:
read var1 var2 var3 -> Option AQuick Check:
Basic read syntax for multiple variables [OK]
Quick Trick: Use 'read var1 var2 var3' to read multiple variables [OK]
Common Mistakes:
MISTAKES- Using commas between variable names
- Using read -p incorrectly
- Confusing array read with multiple variables
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