Generating unique filenames.

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Hi,
I am trying to create unique filenames for my output text file. The idea is
that I would like to append a string to ".zsc.txt" so that all my files are
uniquely named but with a similar format. I have tried adding the string
variable to ".zsc.txt" while creating the output file name, i.e.
write.table function, is what I have tried using :

write.table(x, file=str,".",".zsc.txt"....);

but it isn't working.

?paste

Uwe Ligges

Would appreciate everyone's input on the matter. Thanks :)

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Hello,

Hi,
I am trying to create unique filenames for my output text file. The idea is
that I would like to append a string to ".zsc.txt" so that all my files are
uniquely named but with a similar format. I have tried adding the string
variable to ".zsc.txt" while creating the output file name, i.e.
write.table function, is what I have tried using :

write.table(x, file=str,".",".zsc.txt"....);

but it isn't working.

I think you are looking for the paste() or the newish paste0() function to assemble the parts of your filename.  In the example below I make a unique name out of a timestamp and a path.  You might have a different unique name to use instead of timestamp.  Note, use file.path() to build up filename that includes a path description.

path <- "/my/own/path"
appendage <- ".zsc.txt"
string <- format(Sys.time(), format = "%Y-%j-%H%M%S")
outputFile <- file.path(path, paste0(string, appendage))
write.table(x, file = outputFile) 

Cheers,
Ben

Would appreciate everyone's input on the matter. Thanks :)

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and provide commented, minimal, self-contained, reproducible code.
Ben Tupper
Bigelow Laboratory for Ocean Sciences
60 Bigelow Drive, P.O. Box 380
East Boothbay, Maine 04544
http://www.bigelow.org