bug#74103: Characters order in tr affects results

[Pádraig Brady]

tag 74103 notabug
close 74103
stop

On 30/10/2024 09:42, Jakub Filipiuk wrote:
> Hi
>
> I stumble upon situation, when characters order in tr affects it result.
> For example:
>
> $ echo "some: 123 fa-ncy string, " | tr -d ',-:'
> some  fancy string
>
> When colon is moved before hyphen, result is correct
>
> $ echo "some: 123 fa-ncy string, " | tr -d ',:-'
> some 123 fancy string

This is working as expected as the hyphen denotes a range of characters.
Placing a hyphen at the end is the most portable way to avoid this.
As a GNU extension, you can also backslash escape the hyphen like \-

cheers,
Pádraig