R.rsp (version 0.42.0)

rstring: Evaluates an RSP string and returns the generated string

Description

Evaluates an RSP string and returns the generated string.

Usage

# 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.

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

# NOT RUN {
x <- rstring("A random integer in [1,100]: <%=sample(1:100, size=1)%>\n")
cat(x)

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