repo_sys {repo} | R Documentation |
Run system call on an item
Description
Runs a system command passing as parameter the file name containing the object associated with an item.
Usage
repo_sys(name, command)
Arguments
name |
Name of a repo item. The path to the file that contains the item will be passed to the system program. |
command |
System command |
Value
Used for side effects.
Examples
## Repository creation
rp_path <- file.path(tempdir(), "example_repo")
rp <- repo_open(rp_path, TRUE)
## Creating a PDF file with a figure.
pdffile <- file.path(rp_path, "afigure.pdf")
pdf(pdffile)
plot(runif(30), runif(30))
dev.off()
## Attaching the PDF file to the repo
rp$attach(pdffile, "A plot of random numbers", "repo_sys")
## don't need the original PDF file anymore
file.remove(pdffile)
## Opening the stored PDF with Evince document viewer
## Not run:
rp$sys("afigure.pdf", "evince")
## End(Not run)
## wiping temporary repo
unlink(rp_path, TRUE)
[Package repo version 2.1.5 Index]