Try ?file.exists.
if (file.exists(fxxx)) {
read.table(fxxx)
} else {
cat("\"", fxxx, "\" is missing\n", sep = "")
}
HTH,
--sundar
On Sun, Sep 20, 2009 at 9:28 PM, jiangrm wrote:
> Trying to import a bunch of data files named like f001, f002, f999. Some
> of the files may be
> missing
Trying to import a bunch of data files named like f001, f002, f999. Some of
the files may be
missing and the missing files vary from time to time.
Used for loop and read.table. When it reaches the missing file (say f100), it
shows:
Error in file(file, "r") : cannot open the connection
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