A systems administrator needs to write a script that counts the number of times "FAIL" appears in a log file. If "FAIL" appears zero times, then the administrator would like to print the message…

The correct answer is D. -eq. The test should check if the count of "FAIL" equals zero. The operator -eq is used for numeric equality in shell conditionals, so [ $(grep -c FAIL /var/file.log) -eq 0 ] correctly evaluates whether the count is zero.

Automation, Orchestration, and Scripting

Question

A systems administrator needs to write a script that counts the number of times “FAIL” appears in a log file. If “FAIL” appears zero times, then the administrator would like to print the message “SUCCESS.” Given the following:

Which of the following should be used before the zero to complete the script?

Exhibit

Options

A-ne
B-gt
C-lt
D-eq

How the community answered

(49 responses)

A
6% (3)
B
2% (1)
C
4% (2)
D
88% (43)

Explanation

The test should check if the count of "FAIL" equals zero. The operator -eq is used for numeric equality in shell conditionals, so [ $(grep -c FAIL /var/file.log) -eq 0 ] correctly evaluates whether the count is zero.

Topics

#bash scripting#comparison operators#conditional logic#-eq

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