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How to echo UTF-8 characters in shell prompt?
U+2620 encoded as UTF-8 is E2 98 A0. will make your shell prompt into skull and bones. -CS enables UTF-8 decoding on input and UTF-8 encoding on output. -E evaluates the next argument as Perl, with modern features like say enabled.
How to print a non-Unicode character in Bash?
The first non-digit you type ends input, and renders the character. So you could be able to print U+2620 in Bash using the following: (The first enter ends Unicode input, and the second runs the echo command.)
How to insert a 4 digit Unicode character?
For instance, in the Vim text-editor you would enter insert mode and press Ctrl + V + U and then the code-point number as a 4-digit hexadecimal number (pad with zeros if necessary). So you would type Ctrl + V + U 2 6 2 0. See: What is the easiest way to insert Unicode characters into a document?
How to echo two digit characters in shell?
Two-digit one’s are easy. For example, echo -e “\”, . In addition to the answers below it should be noted that, obviously, your terminal needs to support Unicode for the output to be what you expect. gnome-terminal does a good job of this, but it isn’t necessarily turned on by default.
What kind of character encoding does PowerShell use?
Describes how PowerShell uses character encoding for input and output of string data. Unicode is a worldwide character-encoding standard. The system uses Unicode exclusively for character and string manipulation. For a detailed description of all aspects of Unicode, refer to The Unicode Standard.
Which is characters need to be escaped when using shell?
Would be interesting to get @CharlesDuffy’s inputs on this. Characters that need escaping are different in Bourne or POSIX shell than Bash. Generally (very) Bash is a superset of those shells, so anything you escape in shell should be escaped in Bash. A nice general rule would be “if in doubt, escape it”.