On Sun, Jun 23, 2019, 7:18 AM bitfreak25 <bitfrea...@gmx.de> wrote: > On Sun, 23 Jun 2019 06:04:29 -0500 > Dennis Williamson <dennistwilliam...@gmail.com> wrote: > > > On Sun, Jun 23, 2019, 5:31 AM bitfreak25 <bitfrea...@gmx.de> wrote: > > > > > OS: Arch Linux 5.1.12-arch1-1-ARCH (tty1) > > > Bash-Version: 5.0.7(1)-release > > > localization: de_DE.UTF-8 UTF-8 > > > keymap: de-latin1-nodeadkeys > > > > > > Description: > > > The command "cat /etc/localtime" was called in a tty-terminal. After > that > > > some characters will be printed incorrectly (mostly "cyrillic" chars > > > instead of the correct ones). The typed chars seems to be handled > correctly > > > (e.g. calling "exit") but the output is broken at this point. This > > > behaviour is reproducible on my other PC with Debian Stable > (Bash-Version > > > in Debian: 4.4-5), so it seems to be a old bug. Changing to another > tty or > > > rebooting the OS will fix this behaviour until the command is called > again. > > > > > > Kind regards, > > > bitfreak > > > > > > > > > > > > /etc/localtime is symlinked to a file that contains time zone data. If > you > > enter the command > > > > file -L /etc/localtime > > > > you'll see that that's the case. It contains data that's not meant to be > > displayed including control characters which cause the effect you > observed. > > If you cat any so-called binary file such as this you are likely to see > the > > same kind of thing happen. Entering the > > > > reset > > > > command in the affected terminal will correct the problem after it > occurs. > > I kind of thought that this could be the reason. It also happens with > "cat /dev/urandom" which is stopped by [STRG] + [C]. > > It seems to be a very small bug thats only breaks the output with an > unusual command and there are already 3 workarounds. But in my opinion > it should be fixed some time as it isn't the correct behaviour like > doing it with a gui-terminal e.g. xfce4-terminal. > > Kind regards, > bitfreak >
It's not a bug. It's expected behavior. If a useful sequence of control characters is output - useful things happen. If you take that away then lots of stuff doesn't work. Solution? Don't cat non-text files to the terminal. >
