A system administrator is writing an automated administrative script to safely archive old system diagnostic logs from client workstations to prevent storage exhaustion. To ensure script safety and avoid runtime execution exceptions, place the following script construction steps into their proper logical execution sequence from first to last.
- 1Declare and initialize script variables for the target directory path, string log filters, and integer age thresholds.
- 2Evaluate a conditional branch (if statement) to verify that the target log directory exists on the local filesystem.
- 3Instantiate a loop construct (foreach/for) to iterate sequentially through the array of file objects retrieved from the directory.
- 4Perform a conditional comparison inside the loop to check each file's age against the threshold variable and execute the archive command.
Cevap
The correct logical execution sequence is: First, declare and initialize script variables; second, evaluate a conditional branch to verify the target directory exists; third, instantiate a loop construct to iterate through the retrieved files; and fourth, perform a conditional comparison inside the loop body to execute the archive command.
In basic administrative scripting across Shell, PowerShell, or Python, programs follow a strict control flow sequence. Variables defining directory paths and numerical thresholds must be initialized first. Next, a conditional branch tests the environment to ensure target locations exist. Once verified, a loop construct iterates through the files, and specific file processing actions are executed inside the loop body based on sub-conditions.
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Anahtar Kavram
Logical sequence of scripting constructs (variables, conditional branches, loops, and execution bodies)