is-empty for filters
Check for empty values.
Signature
> is-empty {flags} ...rest
Parameters
-
...rest: The names of the columns to check emptiness.
Input/output types:
| input | output |
|---|---|
| any | bool |
Examples
Check if a string is empty
> '' | is-empty true
Check if a list is empty
> [] | is-empty true
Check if more than one column are empty
> [[meal size]; [arepa small] [taco '']] | is-empty meal size false
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https://www.nushell.sh/commands/docs/is-empty.html
