isOpen.character: Checks if there is an open connection to a file

In R.utils: Various Programming Utilities

Checks if there is an open connection to a file

Description

Checks if there is an open connection to a file.

Usage

## S3 method for class 'character'
isOpen(pathname, rw=c("read", "write"), ...)

Arguments

pathname	An character vector.
rw	A character vector. If "read", a file is considered to be open if there exist an open connection that can read from that file. If "write", a file is considered to be open if there exist an open connection that can write to that file. Both these values may be specified.
...	Not used.

Value

Returns a logical vector indicating for each file whether there exists an open file connection or not.

Author(s)

Henrik Bengtsson

See Also

See isOpen() in connections. showConnections().

R.utils documentation built on Nov. 18, 2023, 1:09 a.m.