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Add file upload examples and fix templating.md table of contents

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Aykhan Shahsuvarov
2026-01-17 21:18:37 +04:00
parent 81f08edc8d
commit 18662e6a64
2 changed files with 62 additions and 11 deletions
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64
docs/examples.md
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@@ -521,7 +521,7 @@ body: '{{ body_FormData "title" "My Document" "document" "@/path/to/file.pdf" }}
</details>
**Multiple file uploads:**
**Multiple file uploads (same field name):**
```sh
sarin -U http://example.com/api/upload -r 100 -c 10 \
@@ -538,10 +538,36 @@ requests: 100
concurrency: 10
method: POST
body: |
{{ body_FormData
"files" "@/path/to/file1.pdf"
"files" "@/path/to/file2.pdf"
}}
{{ body_FormData
"files" "@/path/to/file1.pdf"
"files" "@/path/to/file2.pdf"
}}
```
</details>
**Multiple file uploads (different field names):**
```sh
sarin -U http://example.com/api/upload -r 100 -c 10 \
-M POST \
-B '{{ body_FormData "avatar" "@/path/to/photo.jpg" "resume" "@/path/to/cv.pdf" "cover_letter" "@/path/to/letter.docx" }}'
```
<details>
<summary>YAML equivalent</summary>
```yaml
url: http://example.com/api/upload
requests: 100
concurrency: 10
method: POST
body: |
{{ body_FormData
"avatar" "@/path/to/photo.jpg"
"resume" "@/path/to/cv.pdf"
"cover_letter" "@/path/to/letter.docx"
}}
```
</details>
@@ -569,7 +595,7 @@ body: '{{ body_FormData "image" "@https://example.com/photo.jpg" }}'
> **Note:** Files (local and remote) are cached in memory after the first read, so they are not re-read for every request.
**Base64 encoded file in JSON body:**
**Base64 encoded file in JSON body (local file):**
```sh
sarin -U http://example.com/api/upload -r 100 -c 10 \
@@ -587,12 +613,36 @@ requests: 100
concurrency: 10
method: POST
headers:
Content-Type: application/json
Content-Type: application/json
body: '{"file": "{{ file_Base64 "/path/to/file.pdf" }}", "filename": "document.pdf"}'
```
</details>
**Base64 encoded file in JSON body (remote URL):**
```sh
sarin -U http://example.com/api/upload -r 100 -c 10 \
-M POST \
-H "Content-Type: application/json" \
-B '{"image": "{{ file_Base64 "https://example.com/photo.jpg" }}", "filename": "photo.jpg"}'
```
<details>
<summary>YAML equivalent</summary>
```yaml
url: http://example.com/api/upload
requests: 100
concurrency: 10
method: POST
headers:
Content-Type: application/json
body: '{"image": "{{ file_Base64 "https://example.com/photo.jpg" }}", "filename": "photo.jpg"}'
```
</details>
## Using Proxies
**Single HTTP proxy:**

9
docs/templating.md
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@@ -11,6 +11,7 @@ Sarin supports Go templates in URL paths, methods, bodies, headers, params, cook
- [String Functions](#string-functions)
- [Collection Functions](#collection-functions)
- [Body Functions](#body-functions)
- [File Functions](#file-functions)
- [Fake Data Functions](#fake-data-functions)
- [File](#file)
- [ID](#id)
@@ -110,8 +111,8 @@ sarin -U http://example.com/users \
### Body Functions
| Function | Description | Example |
| ------------------------------ | ------------------------------------------------------------------------ | ------------------------------------------------ |
| Function | Description | Example |
| -------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------- |
| `body_FormData(pairs ...string)` | Create multipart form data from key-value pairs. Automatically sets the `Content-Type` header. Values starting with `@` are treated as file references (local path or URL). Use `@@` to escape literal `@`. | `{{ body_FormData "field1" "value1" "file" "@/path/to/file.pdf" }}` |
**`body_FormData` Details:**
@@ -150,8 +151,8 @@ body: '{{ body_FormData "twitter" "@@username" }}'
### File Functions
| Function | Description | Example |
| --------------------------- | --------------------------------------------------------------------------- | ------------------------------------------ |
| Function | Description | Example |
| ---------------------------- | --------------------------------------------------------------------------------------------------------- | --------------------------------------- |
| `file_Base64(source string)` | Read a file (local path or URL) and return its Base64 encoded content. Files are cached after first read. | `{{ file_Base64 "/path/to/file.pdf" }}` |
**`file_Base64` Details:**