Original Reference: http://tecdat.cn/?p=4525
In many cases, we need to call in an external environment software to perform a script directly, without the need to enter the interactive interface software, so are called non-interactive mode, you can quickly and easily execute script statements output reached this way the purpose of results. r software is no exception, there are many ways external calls, one of which is called Batch Processing of the method, and transfer the result by running the script CMD windows or linux out is output to another file. Exemplified below.
First, the advanced settings configured in the system environment variables r
path=D:\R-3.3.0\bin;
Add the directory where the file path in r.exe
Then call the script statement by cmd, format the two platforms are:
# on Linux
RCMD BATCH [options] my_.R [outfile]
# on Microsoft Windows (adjust the path to R.exe as needed)
"C:\Program Files\R\R-2.13.1\bin\R.exe" CMD BATCH
--vanilla --slave "c:\my projects\my_.R"Open a command line interface in windows
Enter the command
"C:\Program Files\R\R-2.13.1\bin\R.exe" CMD BATCH
--vanilla --slave "c:\my projects\my_.R"Wherein "C: \ Program Files \ R \ R-2.13.1 \ bin \ R.exe" directory software is r
"C: \ my projects \ my_.R" directory of the executable file
After the run, cmd will be transferred to the output file directory out
It is noteworthy that, out of all the output file will record data that appears in the lower console
And it will record the file execution time
Comparative output interface statements rstudio
r interaction of output relative noteworthy points:
1. R output looks like a run interactively.
2. The output parameter in a few more.
3. Finally, there is a running summary displays the time it takes to run the script.
On the other hand, when the script is not working properly, it will also output out cause of the error report
So for the daily operation of the site, the use of this approach not only convenient, and can record the output process and run summary, you can log reports as log files to use.
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