[R] Putting directory path as a parameter

[Henrik Bengtsson]

file.path() is much better for this than paste(), e.g.

dir <- "C:/Users/Desktop"
pathname <- file.path(dir, "bs_dev_segment_file.csv")
temp_data <- read.csv(pathname)

/Henrik

On Tue, Nov 15, 2011 at 10:08 AM, R. Michael Weylandt
<michael.weylandt at gmail.com> <michael.weylandt at gmail.com> wrote:
> Try pasting them together like
>
> paste(dir, "...")
>
> You may need to use the collapse argument. Alternatively, change your working directory to dir with setwd().
>
> M
>
> On Nov 15, 2011, at 9:12 AM, aajit75 <aajit75 at yahoo.co.in> wrote:
>
>> Hi List,
>>
>> I am new to R, this may be simple.
>>
>> I want to store directory path as parameter which in turn to be used while
>> reading and writing data from csv files.
>>
>> How I can use dir defined  in the below mentioned example while reading the
>> csv file.
>>
>> Example:
>> dir <- "C:/Users/Desktop" #location of file
>>
>> temp_data <- read.csv("dir/bs_dev_segment_file.csv")
>>
>> If I run this it will show errors:
>>
>> Error in file(file, "rt") : cannot open the connection
>> In addition: Warning message:
>> In file(file, "rt") :
>>  cannot open file 'dir/bs_dev_segment_file.csv': No such file or directory
>>
>> Regards,
>> -Ajit
>>
>> --
>> View this message in context: http://r.789695.n4.nabble.com/Putting-directory-path-as-a-parameter-tp4043092p4043092.html
>> Sent from the R help mailing list archive at Nabble.com.
>>
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>
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> and provide commented, minimal, self-contained, reproducible code.
>