hubcap count — Count elements matching a selector
When to use
Count elements matching a selector. Returns 0 if none found (does not error). Use exists for a boolean check.
Usage
hubcap count <selector>Arguments
| Argument | Type | Required | Description |
|---|---|---|---|
| selector | string | yes | CSS selector to count matches for |
Flags
None.
Output
| Field | Type | Description |
|---|---|---|
| count | number | The number of matching elements |
| selector | string | The selector that was used |
{"count":5,"selector":"ul.results li"}Errors
| Condition | Exit code | Stderr |
|---|---|---|
| Chrome not connected | 2 | error: connecting to Chrome: ... |
| Timeout | 3 | error: timeout |
Examples
Count list items:
hubcap count 'ul.results li'Count items and use the result in a script:
hubcap count '.notification' | jq -r '.count'