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R.utils (version 1.1.0)

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

Usage

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

 Checks if there is an open connection in Rto a file.

 pathname{An character string.}
   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.}

 Returns TRUE if there exists a file connection that is open,
   otherwise FALSE.

 [object Object]

 See isOpen() in connections.
   showConnections().



methods
IO
utilities

Arguments