Hello,
Thanks, and sorry for the bug.
I used what the op was using [system()] without checking if it worked.
shell() worked in Windows 7/R 3.1.0.
sessionInfo()
R version 3.1.0 (2014-04-10)
Platform: x86_64-w64-mingw32/x64 (64-bit)
locale:
[1] LC_COLLATE=Portuguese_Portugal.1252
LC_CTYPE=Portuguese_Portugal.1252
[3] LC_MONETARY=Portuguese_Portugal.1252 LC_NUMERIC=C
[5] LC_TIME=Portuguese_Portugal.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
Rui Barradas
Em 15-04-2014 02:26, Daniel Nordlund escreveu:
-----Original Message-----
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
On Behalf Of Rui Barradas
Sent: Monday, April 14, 2014 12:09 PM
To: Doran, Harold; r-help@r-project.org
Subject: Re: [R] system()
Hello,
Try instead
command <- paste(aa, fnm)
system(command)
And read the help page for ?paste
Hope this helps,
Rui Barradas
Em 14-04-2014 20:02, Doran, Harold escreveu:
I need to send a system command to another program from within R but
have a small hangup
I'm trying to do something like this
system("notepad myfile.txt")
But, more generally this is happening to multiple files, so I loop over
thousands of files. For purposes of an example, my code is something like
this, which does not work
aa <- 'notepad.exe'
fnm <- 'myfile.txt'
system("aa fnm")
Any suggestions?
Harold
Harold,
you haven't said what OS you are running under, but given that your example
program was notepad.exe I am going to guess some flavor of MS Windows. The
suggestion to use paste() is necessary, but it will probably not be sufficient
to solve your problem. The commands suggested
command <- paste(aa, fnm)
system(command)
freezes R on my Win 7 Pro x64 box using either 64-bit R-3.0.3 or R-3.1.0. You
might try switching to shell() instead of system()
command <- paste(aa, fnm)
shell(command)
However, it all depends on what programs you are trying to run and what
behavior you expect.
Dan
Daniel Nordlund
Bothell, WA USA
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