I would like my program to load variables x,y,x from a file 'myFile.r' but if this file does not exist, I want my program to create/initialize x,y,z. Does anyone know how to do this? Thank you very much. Francisco J. Molina
How to detect whether a file exists or not?
4 messages · Francisco J Molina, Dirk Eddelbuettel, Roger D. Peng +1 more
On Wed, Feb 11, 2004 at 07:22:00PM -0800, Francisco J Molina wrote:
I would like my program to load variables x,y,x from a file 'myFile.r' but if this file does not exist, I want my program to create/initialize x,y,z. Does anyone know how to do this?
?file.info # as help.search("file") would have revealed
Hth, Dirk
The relationship between the computed price and reality is as yet unknown.
-- From the pac(8) manual page
Even better, file.exists(). -roger
Dirk Eddelbuettel wrote:
On Wed, Feb 11, 2004 at 07:22:00PM -0800, Francisco J Molina wrote:
I would like my program to load variables x,y,x from a file 'myFile.r' but if this file does not exist, I want my program to create/initialize x,y,z. Does anyone know how to do this?
?file.info # as help.search("file") would have revealed
Hth, Dirk
I would like my program to load variables x,y,x from a file 'myFile.r' but if this file does not exist, I want my program to create/initialize x,y,z. Does anyone know how to do this?
?file.exists