R.rsp (version 0.20.0)

rscript: Compiles an RSP document and returns the generated source code script

Description

Compiles an RSP document and returns the generated source code script.

Usage

## S3 method for class 'default':
rscript(..., file=NULL, path=NULL, output=NULL, workdir=NULL, envir=parent.frame(),
  args="*", verbose=FALSE)

Arguments

...

character strings 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.

output

A character string or a connection specifying where output should be directed. The default is a file with a filename where

workdir

The working directory to use after parsing and preprocessing. If argument output specifies an absolute pathname, then the directory of output is used, otherwise the current directory is used.

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 RspFileProduct if possible, otherwise an RspSourceCode.

See Also

rcat() and rfile().

Examples

# RSP-embedded text to an R script
code <- rscript("Current time is <%=Sys.time()%>
")
cat(code, sep="")

# RSP-embedded text to a shell script
code <- rscript("Current time is <%=date%>
", language="sh")
cat(code, sep="")