Your str does not have any double backslashes to replace. You need to revisit the concept of escape characters in the documentation. In brief, every "\\" in a quoted string is actually a single character as stored in memory.
---------------------------------------------------------------------------
Jeff Newmiller The ..... ..... Go Live...
DCN:<jdnewmil@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go...
Live: OO#.. Dead: OO#.. Playing
Research Engineer (Solar/Batteries O.O#. #.O#. with
/Software/Embedded Controllers) .OO#. .OO#. rocks...1k
--------------------------------------------------------------------------- 
Sent from my phone. Please excuse my brevity.

Kay Cichini <Kay.Cichini@uibk.ac.at> wrote:

I want to replace \\ with \ in:
str <-
"C:\\DOKUME~1\\u0327336\\LOKALE~1\\Temp\\RtmpQ5NJ8X\\TIRIS_PICS\\1_Img.jpg"

and tried:
gsub("\\\\", "\\", str)

but this removes the \\ without replacing them by \

Any help much appreciated,
Kay

-----
------------------------
Kay Cichini
Postgraduate student
Institute of Botany
Univ. of Innsbruck
------------------------

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