Evaluates an RSP string and returns the generated string — rstring • R.rsp

Evaluates an RSP string and returns the generated string.

# S3 method for default
rstring(..., file=NULL, path=NULL, envir=parent.frame(), args="*", verbose=FALSE)

Arguments

...: A character string with RSP markup.
file, path: Alternatively, a file, a URL or a connection from with the strings are read. If a file, the path is prepended to the file, iff given.
envir: The environment in which the RSP string is preprocessed and evaluated.
args: A named list of arguments assigned to the environment in which the RSP string is parsed and evaluated. See cmdArgs.
verbose: See Verbose.

Value

Returns an RspStringProduct.

Author

Henrik Bengtsson

See also

To display the output (instead of returning a string), see rcat(). For evaluating and postprocessing an RSP document and writing the output to a file, see rfile().

Examples

x <- rstring("A random integer in [1,100]: <%=sample(1:100, size=1)%>\n")
cat(x)
#> A random integer in [1,100]: 47

# Passing arguments
x <- rstring("A random integer in [1,<%=K%>]: <%=sample(1:K, size=1)%>\n", args=list(K=50))
cat(x)
#> A random integer in [1,50]: 31