Using Sub
Please study how escapes work. The representation you see in the source code is not the same as what is actually stored in memory.
As to your problems with the clipboard, I recommend writing scripts that do not interact with the clipboard directly. Violating this rule puts an error-prone human in the loop for repeating the script, and will eventually lead to irreproducible results.
That said, using the clipboard to create the script itself is fine. I usually just edit Windows paths in scripts to have forward slashes or double backslashes, and I use relative paths liberally. You can also play with file.choose() or readLines("clipboard") to get source-compatible paths.
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"Lopez, Dan" <lopez235 at llnl.gov> wrote:
Hi A.K., That works but when I copy and paste from Window explorer it will have a single backslashes and not double. It works with double as what you have in your example below but not with single as what I would end up passing. Do you have any other suggestions or methods to accomplish this? Thanks. Dan -----Original Message----- From: arun [mailto:smartpink111 at yahoo.com] Sent: Monday, June 18, 2012 8:59 AM To: Lopez, Dan Cc: R help Subject: Re: [R] Using Sub Hi, I guess you need something like this:
str1<-"G:\\Compensation Audits_Reports\\Step Audit\\Steps off
Step.accdb"
gsub('\\\\','/',str1)
[1] "G:/Compensation Audits_Reports/Step Audit/Steps off Step.accdb" A.K. ----- Original Message ----- From: "Lopez, Dan" <lopez235 at llnl.gov> To: Duncan Murdoch <murdoch.duncan at gmail.com> Cc: R help <r-help at r-project.org> Sent: Monday, June 18, 2012 10:37 AM Subject: Re: [R] Using Sub Hi Duncan, That's right but I want to be able to use this to replace back slashes with front slashes when I copy and paste file paths. How can I make this work so I don't get this error? Thanks. Dan -----Original Message----- From: Duncan Murdoch [mailto:murdoch.duncan at gmail.com] Sent: Friday, June 15, 2012 12:04 AM To: Lopez, Dan Cc: R help Subject: Re: [R] Using Sub On 12-06-14 6:23 PM, Lopez, Dan wrote:
Hi, I have been trying to get the sub function to work but can't for the
life of me figure it out. I tried looking at ?sub but I think there is something that I am just not understanding.
Example failed attempts
sub("\\","/","G:\Compensation Audits_Reports\Step Audit\Steps off
Step.accdb")
Error: '\C' is an unrecognized escape in character string starting
"G:\C" This isn't anything to do with sub(), it's the third string that's the problem.? When you say "G:\Comp..." it thinks you've escaped the C, but there's no such escape. Duncan Murdoch
sub("\\","/","G:\Compensation Audits_Reports\Step Audit\Steps off
Step.accdb",fixed=TRUE)
Error: '\C' is an unrecognized escape in character string starting
"G:\C"
sub("\\","/","G:\Compensation Audits_Reports\Step Audit\Steps off
Step.accdb",fixed=FALSE)
Error: '\C' is an unrecognized escape in character string starting "G:\C")
sub("/","\","G:\Compensation Audits_Reports\Step Audit\Steps off
Step.accdb")
Error: unexpected symbol in "sub("/","\","G"
Thanks.
Dan
______________________________________________ R-help at 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.
______________________________________________ R-help at 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. ______________________________________________ R-help at 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.