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variable.md: show function use with examples

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Closes #15743
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Daniel Stenberg 2024-12-14 14:32:18 +01:00
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docs/cmdline-opts/variable.md
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@ -48,11 +48,27 @@ Available functions:
## trim
removes all leading and trailing white space.
Example:
curl --expand-url https.//example.com/{{url:trim}}
## json
outputs the content using JSON string quoting rules.
Example:
curl --expand-data {{data:json}} https://example.com
## url
shows the content URL (percent) encoded.
Example:
curl --expand-url https://example.com/{{path:url}}
## b64
expands the variable base64 encoded
Example:
curl --expand-url https://example.com/{{var:b64}}