[R] a quick Q: a function in R, equivalent to "atoi" function in C?

Yan Yu yanyu at cs.ucla.edu
Thu Jul 31 01:08:03 CEST 2003

   I wonder is there a function in R, which can achieve the functionality
of atoi in C, i.e., convert from a character string to a number?

I use Sys.getenv(), it returns a character string, e.g., "12", but i need
a number, e.g., 12, to fit into a function.

thanks a lot,

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