Clever solution. I use paste alot and didn't think to use it for this
problem. Thanks!
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On Apr 23, 2010, at 6:07 PM, Ryan Garner wrote:
>
> How do I pass a filename as an argument to the system command to count the
> number of records in that file? I only know how to do it by hardcoding it.
>
> HARDCODING EXAMPLE
>> test <- matrix(1:20,ncol=5)
>> write(x = test,file = "test.txt")
>
How do I pass a filename as an argument to the system command to count the
number of records in that file? I only know how to do it by hardcoding it.
HARDCODING EXAMPLE
> test <- matrix(1:20,ncol=5)
> write(x = test,file = "test.txt")
> records <- as.numeric(system("cat test.txt | wc -l",intern =
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