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May 14, 2023 16:41
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Script to extract SD Webui prompt data from .png files
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[System.IO.Directory]::GetFiles((Get-Location), "?????-*.png") | | |
Group-Object -Property {[System.DateTime]::Parse([System.IO.File]::GetCreationTime($_).ToShortDateString())} | | |
Sort-Object -Property {[System.DateTime]::Parse($_.Name)} | % { | |
$names = $_.Group | Sort-Object -Property {[System.IO.File]::GetCreationTime($_)} | |
[PSCustomObject]@{ | |
Key = $_.Name | |
Value = $names | |
} | |
} | % { | |
Write-Output ($_.Key.Split())[0] | |
$_.Value | % { | |
" `"$([System.IO.Path]::GetFileName($_).Substring(0,5))`"" | Write-Output | |
$bytes = [System.IO.File]::ReadAllBytes($_) | |
$index = 8 | |
$found = $false | |
while (($index -lt $bytes.Length) -and (-not $found)) { | |
# Write-Output "index = $index" | |
$field = ($bytes[$index+3], $bytes[$index+2], $bytes[$index+1], $bytes[$index]) | |
$length = [System.BitConverter]::ToInt32($field, 0) | |
# Write-Output "length = $length" | |
$chunk = [System.Text.Encoding]::ASCII.GetString($bytes, $index+4, 4) | |
# Write-Output "chunk = $chunk" | |
if ($chunk.Equals("tEXt")) { | |
$found = $true | |
$body = [System.Text.Encoding]::ASCII.GetString($bytes, $index+19, $length - 11) | |
Write-Output $body | |
} | |
$index = ($index + 12 + $length) | |
} | |
} | |
} |
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