I was unable to open remote files using Tramp if they had non-ASCII
characters. The file encodings were either UTF-8 or ISO-8859-1
specified either with file-coding-system-alist or using C-u C-x C-f to
open the remote file. The error message in emacs is
Wrong type argument: stringp, nil
Turning up the verbosity of Tramp pointed me to
tramp-perl-encode-with-module. I was able to reproduce the problem in
a session on the remote host invoking perl directly. The remote file
is in iso-8859-1-unix and contains characters such as fractions and
[UK] POUND SIGN.
% perl -MMIME::Base64 -0777 -ne 'print encode_base64($_)' doc/adsl.txt
Wide character in subroutine entry at -e line 1, <> chunk 1.
The underlying problem is that my locale is en_US.UTF-8. This
invocation works.
% env LC_CTYPE=C perl -MMIME::Base64 -0777 -ne 'print
encode_base64($_)' doc/adsl.txt
Feeding this back into Tramp, I reckon that another entry is needed in
tramp-remote-process-environment, "LC_CTYPE=C" to precede "LC_TIME=C".
That seems to do the trick by my using customize-variable.
Tramp 2.1.12 on XEmacs 21.5.28 Windows native though I'd seen this on
earlier versions too.
--
Pete Forman -./\.- Disclaimer: This post is originated
WesternGeco -./\.- by myself and does not represent
[EMAIL PROTECTED] -./\.- the opinion of Schlumberger or
http://petef.port5.com -./\.- WesternGeco.
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