18 lines
553 B
Markdown
18 lines
553 B
Markdown
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---
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layout: "functions"
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page_title: "filesha1 - Functions - Configuration Language"
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sidebar_current: "docs-funcs-crypto-filesha1"
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description: |-
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The filesha1 function computes the SHA1 hash of the contents of
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a given file and encodes it as hex.
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---
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# `filesha1` Function
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`filesha1` is a variant of [`sha1`](./sha1.html)
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that hashes the contents of a given file rather than a literal string.
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This is similar to `sha1(file(filename))`, but
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because [`file`](./file.html) accepts only UTF-8 text it cannot be used to
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create hashes for binary files.
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