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When using the interactive mode of the restore utility to restore backups made with dump UTF-8-encoded filenames doesn't display correctly, see example below. The ??s should be ös ...

$ sudo restore -if dumpfile
Dump tape is compressed.
restore > ls
./somedir:
lagerl??fSelma_k??rkarlen.txt

restore >

How come? What are the solutions do this problem?

The dump and the restore are performed on the same machine, that has the locale set as follows:

$ locale
LANG=sv_SE.UTF-8
LANGUAGE=sv:en_US:en
  • may be you use old dump package. – PersianGulf Feb 24 '14 at 22:31
  • Thanks, I believe I'm using the latest version dump 0.4b44 (using libext2fs 1.42.8 of 20-Jun-2013). – PetaspeedBeaver Feb 24 '14 at 23:22
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The source code has this:

for (cp = fp->fname; *cp; cp++)
    if (!vflag && (*cp < ' ' || *cp >= 0177))
        *cp = '?';

So it looks like it will substitute '?' for non-printable-ASCII characters unless you give restore the -v option or, in interactive mode, type the verbose command.

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