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27 lines
553 B
Markdown
27 lines
553 B
Markdown
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---
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title: errorf
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linktitle: errorf
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description: Evaluates a format string and logs it to ERROR.
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date: 2017-09-30
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publishdate: 2017-09-30
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lastmod: 2017-09-30
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categories: [functions]
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menu:
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docs:
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parent: "functions"
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keywords: [strings, log, error]
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signature: ["errorf FORMAT INPUT"]
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workson: []
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hugoversion:
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relatedfuncs: [printf]
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deprecated: false
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aliases: []
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---
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`errorf` will evaluate a format string, then output the result to the ERROR log.
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This will also cause the build to fail.
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```
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{{ errorf "Something went horribly wrong! %s" err }}
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```
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