Bash Scripting - Arrays
You want to store a list of filenames in an array and print each filename on a new line. Which script correctly does this?
You want to store a list of filenames in an array and print each filename on a new line. Which script correctly does this?
hard🚀 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Check array declaration
files=(file1.txt file2.txt file3.txt) for f in ${files[@]}; do echo $f; done uses parentheses and space-separated items, which is correct.Step 2: Check loop syntax
files=(file1.txt file2.txt file3.txt) for f in ${files[@]}; do echo $f; done uses for f in ${files[@]} to loop over all items correctly.Final Answer:
files=(file1.txt file2.txt file3.txt) for f in ${files[@]}; do echo $f; done -> Option AQuick Check:
Correct array and loop syntax = files=(file1.txt file2.txt file3.txt) for f in ${files[@]}; do echo $f; done [OK]
Quick Trick: Use ${array[@]} to loop all items [OK]
Common Mistakes:
MISTAKES- Using square brackets for arrays
- Looping over $files instead of ${files[@]}
- Using curly braces for array declaration
Master "Arrays" in Bash Scripting
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