Bash Scripting - Text Processing in Scripts
Which of the following is the correct way to use a here string to pass the text
example to the grep command?Which of the following is the correct way to use a here string to pass the text example to the grep command?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recognize here string syntax
The here string operator requires the string to be quoted or properly formatted to be passed as input.Step 2: Analyze options
grep 'ex' <<< "example" correctly uses quotes around the string with<<<. grep 'ex' <<< example lacks quotes, which can cause errors if the string contains spaces or special characters. Options C and D use incorrect redirection operators.Final Answer:
grep 'ex' <<< "example" -> Option BQuick Check:
Here string with quoted string input [OK]
Quick Trick: Quote strings when using here strings to avoid errors [OK]
Common Mistakes:
MISTAKES- Not quoting the string after <<<
- Using << instead of <<<
- Using input redirection < instead of here string
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