R: Tests whether the connection is open or not

isOpen.serialConnection {serial}

R Documentation

Tests whether the connection is open or not

Tests whether the connection is open or not

## S3 method for class 'serialConnection'
isOpen(con, ...)

`con`	connection of the class `serialConnection`
`...`	not used

returns {F, T} for 'not open' and 'is open'

[Package serial version 3.0 Index]