Render R markdown to PDF from command line
I have been using Makefiles where command line tools for building a project are not generally available. This includes LaTeX documents and recently R projects. So here is an R script that can be used to render R markdown to PDF. #!/usr/bin/env R # Render R markdown to PDF. # Invoke with: # > R -q -f make.R --args my_report.Rmd # load packages require ( rmarkdown ) # require a parameter naming file to render if ( length ( args ) == 0 ) { stop ( "Error: missing file operand" , call. = TRUE ) } else { # read report to render from command line for ( rmd in commandArgs ( trailingOnly = TRUE )) { # render Rmd to PDF if ( grepl ( " \\ .Rmd$" , rmd ) && file.exists ( rmd )) { render ( rmd , pdf_document ()) } else { print ( paste ( "Ignoring: " , rmd )) } } } It will process Rmd files listed after the --args parameter. This script can t...