R.utils (version 2.3.0)

popBackupFile: Drops a backup suffix from the backup pathname

Description

Drops a backup suffix from the backup pathname and, by default, restores an existing backup file accordingly by renaming it.

Usage

"popBackupFile"(filename, path=NULL, suffix=".bak", isFile=TRUE, onMissing=c("ignore", "error"), drop=TRUE, ..., verbose=FALSE)

Arguments

filename

The filename of the backup file.

path

The path of the file.

suffix

The suffix of the filename to be dropped.

isFile

If TRUE, the backup file must exist and will be renamed. If FALSE, it is only the pathname string that will be modified. For details, see below.

onMissing

A character string specifying what to do if the backup file does not exist.

drop

If TRUE, the backup file will be dropped in case the original file already exists or was successfully restored.

...

Not used.

verbose

A logical or Verbose.

Value

Returns the pathname with the backup suffix dropped.

See Also

See pushBackupFile() for more details and an example.