24 lines
668 B
PowerShell
24 lines
668 B
PowerShell
$f = 'C:/Users/77338/Desktop/STM32-OTA/STM32F103_App1/Src/main.c'
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$bytes = [System.IO.File]::ReadAllBytes($f)
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# Count literal \r\n sequences (0x5C 0x72 0x5C 0x6E)
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$pat = @(0x5C, 0x72, 0x5C, 0x6E)
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$count = 0
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$out = [byte[]]::new($bytes.Count)
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$j = 0
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$i = 0
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while ($i -lt $bytes.Count) {
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$match = $true
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for ($k = 0; $k -lt 4; $k++) {
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if ($i + $k -ge $bytes.Count -or $bytes[$i + $k] -ne $pat[$k]) { $match = $false; break }
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}
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if ($match) {
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$i += 4
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} else {
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$out[$j++] = $bytes[$i++]
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}
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}
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[Array]::Resize([ref]$out, $j)
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[System.IO.File]::WriteAllBytes($f, $out)
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Write-Host "Removed $count \r\n sequences, $j bytes written"
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