2021-01-11 20:20:01 +00:00
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title = "Regenerate Preview Images"
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description = "Re-generates all preview images."
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weight = 80
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+++
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# regenerate-previews.sh
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This is a simple bash script to trigger the endpoint that submits task
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for generating preview images of your files. This is usually not
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needed, but should you change the `preview.dpi` setting in joex'
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config file, you need to regenerate the images to have any effect.
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# Requirements
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It is a bash script that additionally needs
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[curl](https://curl.haxx.se/) and
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[jq](https://stedolan.github.io/jq/).
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# Usage
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```
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2021-07-04 19:37:34 +00:00
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./regenerate-previews.sh [docspell-base-url] [admin-secret]
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2021-01-11 20:20:01 +00:00
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```
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For example, if docspell is at `http://localhost:7880`:
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```
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./convert-all-pdfs.sh http://localhost:7880 test123
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```
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2021-07-04 19:37:34 +00:00
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The script asks for the admin secret if not given to the command. It
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then logs in and triggers the said endpoint. After this you should see
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a few tasks running.
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2021-01-11 20:20:01 +00:00
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There will be one task per file to convert. All these tasks are
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submitted with a low priority. So files uploaded through the webapp or
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a [source](@/docs/webapp/uploading.md#anonymous-upload) with a high
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priority, will be preferred as [configured in the job
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executor](@/docs/joex/intro.md#scheduler-config). This is to not
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disturb normal processing when many conversion tasks are being
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executed.
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