Well, then I guess there is no such function in base R, but it should be something like escapeshellcmd = function(x) gsub('[metacharacters]', '\\\\\\1', x)
Regards, Yihui -- Yihui Xie <xieyi...@gmail.com> Phone: 515-294-2465 Web: http://yihui.name Department of Statistics, Iowa State University 2215 Snedecor Hall, Ames, IA On Wed, Aug 29, 2012 at 11:04 AM, Roebuck,Paul L <proeb...@mdanderson.org> wrote: > On 8/24/12 9:59 PM, "Yihui Xie" <x...@yihui.name> wrote: > >> On Fri, Aug 24, 2012 at 3:17 PM, Roebuck,Paul L <proeb...@mdanderson.org> >> wrote: >>> On 8/24/12 2:59 PM, "R. Michael Weylandt" <michael.weyla...@gmail.com> >>> wrote: >>> >>>> On Fri, Aug 24, 2012 at 2:48 PM, Roebuck,Paul <proeb...@mdanderson.org> >>>> wrote: >>>>> [Redirected from R-Devel...] >>>>> >>>>> Not that I recall running across such, but does R (or CRAN package) >>>>> provide something equivalent to PHP's escapeshellcmd() function >>>>> to escape shell job control, wildcards, etc? >>>> >>>> I don't know PHP, but what does escapeshellcmd() provide over and >>>> above what system() / system2() do? >>>> >>> >>> As before, it escapes job control, etc from the command string. >>> Assuming such existed in R, it would be used something like this: >>> >>> R> system(escapeshellcmd(sprintf("somecmd %s", untrustedInput1))) >> >> You probably mean shQuote(). >> > > No, as that ONLY handles double/single quote agreement > (equivalent to PHP's escapeshellarg() function). > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.