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opentf/website/docs/language/functions/filesha256.mdx
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---
sidebar_label: filesha256
description: |-
The filesha256 function computes the SHA256 hash of the contents of
a given file and encodes it as hex.
---
# `filesha256` Function
`filesha256` is a variant of [`sha256`](../../language/functions/sha256.mdx)
that hashes the contents of a given file rather than a literal string.
This is similar to `sha256(file(filename))`, but
because [`file`](../../language/functions/file.mdx) accepts only UTF-8 text it cannot be used to
create hashes for binary files.