Simple powershell script to check if the text contained in a file is within the limits for ChatGPT prompt. Supports -Truncate flag to optionally fit the text.

ChatGPT Character Limit Checker.ps1

param (
    [string]$FilePath, # Path to the text file
    [int]$Limit = 4096, # Default limit set to 4096 characters
    [switch]$Truncate # Switch to indicate if truncation should be performed
)

function Get-FileContent {
    param (
        [string]$Path
    )

    if (Test-Path $Path) {
        Get-Content $Path -Raw
    }
    else {
        Write-Error "File not found: $Path"
        exit
    }
}

function CheckAndTruncateText {
    param (
        [string]$Text,
        [int]$MaxLength,
        [bool]$ShouldTruncate
    )

    $length = $Text.Length
    Write-Host "Text length: $length characters"

    if ($length -le $MaxLength) {
        Write-Host "Text is within the limit."
    }
    elseif ($ShouldTruncate) {
        $truncatedText = $Text.Substring(0, $MaxLength)
        Write-Host "Text has been truncated to fit the limit."
        Write-Host $truncatedText
    }
    else {
        Write-Host "Text exceeds the limit. Consider -Truncate to fit."
    }
}

$text = Get-FileContent -Path $FilePath
CheckAndTruncateText -Text $text -MaxLength $Limit -ShouldTruncate $Truncate