Display a spinner in the console to simulate scrip activity.

Progress-Indicator-Example.ps1

#Region PREP

#Region Formatting
$script:YELLOW = "$($PSStyle.Foreground.Yellow)"
$script:RED = "$($PSStyle.Foreground.Red)"
$script:GREEN = "$($PSStyle.Foreground.Green)"
$script:CYAN = "$($PSStyle.Foreground.Cyan)"
$script:RESET = "$($PSStyle.Reset)"

$script:ARROW = "${CYAN}$([char]9654)${RESET}"
$script:CHECK_MARK = "${GREEN}$([char]8730)${RESET}"
$script:RIGHT_ANGLE = "${GREEN}$([char]8735)${RESET}"
$script:PIN = "$(([char]55357) + ([char]56524))"
$script:WARNING = "$(([char]55357) + ([char]57000))"
$script:YES_NO = "${YELLOW}[${GREEN}Y${YELLOW}/${RED}N${YELLOW}]${RESET}"
$script:SPACE = "$([char]32)"
$script:SPINNER = @(
    "${GREEN}$([char]10251)${RESET}",
    "${GREEN}$([char]10265)${RESET}",
    "${GREEN}$([char]10297)${RESET}",
    "${GREEN}$([char]10296)${RESET}",
    "${GREEN}$([char]10300)${RESET}",
    "${GREEN}$([char]10292)${RESET}",
    "${GREEN}$([char]10278)${RESET}",
    "${GREEN}$([char]10279)${RESET}",
    "${GREEN}$([char]10247)${RESET}",
    "${GREEN}$([char]10255)${RESET}"
)
#EndRegion Formatting

#Region Write-Spinner
Function Write-Spinner() {
    $script:SPINNER | Foreach-Object {
        Write-Host "`b`b$_ " -NoNewline
        Start-Sleep -m 50
    }
}
#EndRegion Write-Spinner

#Region Write-BlankLine
Function Write-BlankLine() {
    Write-Host ""
}
#EndRegion Write-BlankLine

#EndRegion PREP

#Region INCORRECT VERSION
Function Test-SlowPath() {
    Param(
        $Path
    )
    Start-Sleep -Seconds 2
    If (Test-Path $Path) {
        return $true
    }
    return $false
}

Function Get-MyJoblessThing() {
    Try {
        $PATH = 'C:\Temp\CUSTOM_FILE_PATH.txt'
        Write-Host "${ARROW} ${CYAN}Starting Jobless Thing${RESET}"
        Write-Host "${ARROW} ${CYAN}Waiting for ${YELLOW}$PATH${CYAN} to exist...   ${RESET}" -NoNewLine
        Do {
            Write-Spinner
        } Until (Test-SlowPath $PATH)
        Write-Host "`b`b${CHECK_MARK}"
        Write-Host "${ARROW} ${GREEN}Jobless Thing completed!${RESET}"

    }
    Catch {
        Write-Error $_
    }
}
#EndRegion INCORRECT VERSION

#Region CORRECT VERSION
Function Get-MyCustomJobThing() {
    Try {
        $MyJob = {
            Param(
                [Parameter(Mandatory=$true)]
                $Path
            )
    
            Do {
                Start-Sleep 1
            } Until (Test-Path $Path)
            return $true
        }
        $Path = 'C:\Temp\CUSTOM_FILE_PATH.txt'
    
        Write-Host "${ARROW} ${CYAN}Starting Job${RESET}"
        $Job = Start-Job -ScriptBlock $MyJob -ArgumentList $Path
        Write-Host "${ARROW} ${CYAN}Job ID ${YELLOW}$($Job.ID)${CYAN} started...${RESET}"
        Write-Host "${ARROW} ${CYAN}Waiting for ${YELLOW}$PATH${CYAN} to exist...   ${RESET}" -NoNewLine
    
        Do {
            Write-Spinner
        } Until ($(Get-Job -ID $Job.ID).State -eq "Completed")
        Write-Host "`b`b${CHECK_MARK}"
        Write-Host "${ARROW} ${GREEN}Job completed!${RESET}"
    }
    Catch {
        Write-Error $_
    }
    Finally {
        Write-Host "${ARROW} ${CYAN}Removing job ${YELLOW}$($Job.ID)${CYAN}...${RESET}"
        Remove-Job -Job $Job
    }
}
#EndRegion CORRECT VERSION