gram: build

> ./config/nushell/signal.nu

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source ./grammar.nu

def channels [] { (
netstat -puntl
| do-lines { reject 0 1 }
| from ssv -m 1 --noheaders -a
| rename proto recv send addr bind listen name opt opt2
| select proto addr name
| insert channel { $in.addr | parse --regex ":(?<port>[^:]+$)" | get -i port.0 }
| insert pid { $in | get name | split row '/' | get 0 }
) }