1
vote
1answer
30 views

Why doesn't `restore` display my UTF-8 encoded filenames correctly in interactive mode?

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 ...
1
vote
1answer
123 views

Can vim display ASCII characters only, and treat other bytes as binary data?

I already know vim -b, however, depending on the locale used, it displays multi-byte characters (like UTF-8) as single letters. How can I ask vim to only display ASCII printable characters, and ...
2
votes
1answer
48 views

Can't obtain the connected forms of some unicode grapheme clusters with combining diacritical marks

In Arabic and some other languages a character has two or three forms which will find its appropriate one automatically when you type a word (according to its previous and next characters). How can ...
4
votes
2answers
287 views

What would break if the C locale was UTF-8 instead of ASCII?

The C locale is defined to use the ASCII charset and POSIX does not provide a way to use a charset without changing the locale as well. What would happen if the encoding of C were switched to UTF-8 ...
6
votes
3answers
372 views

How to replace all percent-encoded UTF-8 substrings with plain UTF-8 text?

I've got a html file with a lot of %-encoded UTF-8 text in URLs. For example "%D1%80%D0%B5%D1%81%D1%83%D1%80%D1%81%D1%8B" stands for "ресурсы" ("resources" in Russian). The task is to replace all ...
3
votes
1answer
339 views

tr not replacing apostrophe

I want to convert all apostrophes in this file to X: Bob's book Bob’s book Bob′s book # (Might look the same but actually different) The first apostrophe is replaced as expected: $ cat file | tr ...
21
votes
2answers
13k views

How can I set VIM's default encoding to UTF-8?

I'd like to contribute to an open source project providing translated strings. One of their requirements is that contributors must use UTF-8 as the encoding for the PO files. I'm using VIM 7.3 on ...
7
votes
3answers
6k views

How to specify characters using hexadecimal codes in `grep`?

I am using following command to grep character set range for hexadecimal code 0900 (instead of अ) to 097F (instead of व). How I can use hexadecimal code in place of अ and व? bzcat archive.bz2 | grep ...
6
votes
2answers
145 views

What is the connection between a gedit bug and a Unix-&-Linux Q/A href?

While answering a Unix-&-Linux question, I observed that Gedit and two other editors, Leafpad and Medit (I tested 12 editors altogether) exhibit the a certain bug. As it turns out, the bug is ...
11
votes
2answers
6k views

Filtering invalid utf8

I have a text file in an unknown or mixed encoding. I want to see the lines that contain a byte sequence that is not valid UTF-8 (by piping the text file into some program). Equivalently, I want to ...