3
votes
1answer
206 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 ...
4
votes
3answers
4k 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
132 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
4k 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 ...