with.connection: Pseudo context-manager for connections

In blmoore/pythonistr: Python idioms for R

Description

A with method for connection objects which closes the connection after evaluation. This is modelled after the common python idiom.

Usage

## S3 method for class 'connection'
with(connection, expr)

Arguments

connection	a connection, such as a file connection created with file
expr	expression to evaluate

See Also

with

Examples

## Not run: 
connection <- file("file.csv", "r")

with(connection, {
  print(connection)
})

isOpen(connection)

## End(Not run)

blmoore/pythonistr documentation built on May 20, 2019, 3:34 p.m.