Thank you very much for the hint. I tried it on a FreeBSD machine with locale set to en_US.UTF-8, it works fine.

However, on my Windows machine,
> Sys.getlocale()
[1] "LC_COLLATE=Chinese (Simplified)_China.936;LC_CTYPE=Chinese (Simplified)_China.936;LC_MONETARY=Chinese (Simplified)_China.936;LC_NUMERIC=C;LC_TIME=Chinese (Simplified)_China.936"

It just worked as what I posted.

BTW, I can not understand why a string could be displayed different as vector or as data frame.

Best,
Jinsong

On 2020/10/20 21:56, John Kane wrote:
It looks like an encoding problem.

It works fine for me with R encoding set to UTF-8

Here is part of my sessionInfo() results
[1] LC_CTYPE=en_CA.UTF-8       LC_NUMERIC=C
  [3] LC_TIME=en_CA.UTF-8        LC_COLLATE=en_CA.UTF-8
  [5] LC_MONETARY=en_CA.UTF-8    LC_MESSAGES=en_CA.UTF-8

I would suggest issuing the command
sessionInfo()
and seeing what your encoding is.



On Tue, 20 Oct 2020 at 08:22, Jinsong Zhao <jsz...@yeah.net <mailto:jsz...@yeah.net>> wrote:

    Hi there,

    Why the same string is displayed in different form?

      > abc[,1]
    [1] "Åland"       "Afghanistan"
      > abc
               name
    1    <c5>land
    2 Afghanistan

    And more...

      > dput(abc, "aa.txt")
      > dget("aa.txt")
               name
    1    <c5>land
    2 Afghanistan
      > dget("aa.txt")[,1]
    [1] "<c5>land"    "Afghanistan"

    Best,
    Jinsong

    On 2020/10/20 17:13, Jinsong Zhao wrote:
     > Hi there,
     >
     > I tried to export the names of country to a csv file with
    write.csv().
     > In the resulted file, Åland was coverted to <c5>land. Is there
    any way
     > could prevent this happening? Thanks!
     >
     >  > abc
     > [1] "Åland"
     >  > write.table(abc, file = "")
     > "x"
     > "1" "<c5>land"
     >
     > Best,
     > Jinsong
     >
--
John Kane
Kingston ON Canada

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