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Added explanation about hashFiles returning an empty string #15719

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Mar 3, 2022
Merged

Added explanation about hashFiles returning an empty string #15719

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Update expressions.md
nikola-jokic Feb 22, 2022
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Updated content with suggested change
nikola-jokic Mar 2, 2022
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add "the"
skedwards88 Mar 3, 2022
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Merge branch 'main' into patch-4
skedwards88 Mar 3, 2022
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2 changes: 1 addition & 1 deletion content/actions/learn-github-actions/expressions.md
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Expand Up @@ -252,7 +252,7 @@ jobs:

`hashFiles(path)`

Returns a single hash for the set of files that matches the `path` pattern. You can provide a single `path` pattern or multiple `path` patterns separated by commas. The `path` is relative to the `GITHUB_WORKSPACE` directory and can only include files inside of the `GITHUB_WORKSPACE`. This function calculates an individual SHA-256 hash for each matched file, and then uses those hashes to calculate a final SHA-256 hash for the set of files. For more information about SHA-256, see "[SHA-2](https://en.wikipedia.org/wiki/SHA-2)."
Returns a single hash for the set of files that matches the `path` pattern. You can provide a single `path` pattern or multiple `path` patterns separated by commas. The `path` is relative to the `GITHUB_WORKSPACE` directory and can only include files inside of the `GITHUB_WORKSPACE`. If `path` pattern does not resolve to any known directory or file, the output of the `hashFiles` would be an empty string. This function calculates an individual SHA-256 hash for each matched file, and then uses those hashes to calculate a final SHA-256 hash for the set of files. For more information about SHA-256, see "[SHA-2](https://en.wikipedia.org/wiki/SHA-2)."
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You can use pattern matching characters to match file names. Pattern matching is case-insensitive on Windows. For more information about supported pattern matching characters, see "[Workflow syntax for {% data variables.product.prodname_actions %}](/actions/using-workflows/workflow-syntax-for-github-actions/#filter-pattern-cheat-sheet)."

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