powershell_tip

function Write-CustomLog {
    param([string]$Message)
    
    $callerInfo = (Get-PSCallStack)[1]
    $scriptName = Split-Path -Leaf $callerInfo.ScriptName
    $lineNumber = $callerInfo.ScriptLineNumber
    $functionName = $callerInfo.FunctionName
    
    $logEntry = "{0:yyyy-MM-dd HH:mm:ss} - {1}:{2} - {3} - {4}" -f `
        (Get-Date), $scriptName, $lineNumber, $functionName, $Message
    
    Add-Content -Path ".\script_log.txt" -Value $logEntry
}

# Usage in a script or function
function Test-LoggingFunction {
    Write-CustomLog "This is a test log entry"
}