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byF/digestfile.scala

Created October 8, 2020 12:13
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Calculate md5 file checksum
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digestfile.scala
Using.Manager { use =>
val md = MessageDigest.getInstance("MD5")
val fis = use(Files.newInputStream(filePath))
val dos = use(new DigestOutputStream(OutputStream.nullOutputStream(), md))
fis.transferTo(dos)
BigInt(1, md.digest()).formatted(s"%0${md.getDigestLength * 2}x")
}
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