terraform/website/docs/configuration/functions/filesha1.html.md

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functions filesha1 - Functions - Configuration Language docs-funcs-crypto-filesha1 The filesha1 function computes the SHA1 hash of the contents of a given file and encodes it as hex.

filesha1 Function

filesha1 is a variant of sha1 that hashes the contents of a given file rather than a literal string.

This is similar to sha1(file(filename)), but because file accepts only UTF-8 text it cannot be used to create hashes for binary files.