BASH problem

geek.arnuld · 2007-07-23 15:57:48

i am running Arch Duke. sometimes i have problem with BASH on it. whenever i type something really long it does not go to the end of the screen, instead the cursor just goes off to the beginning of the line e.g.:

[arnuld@arch ~ $] cp -v songs/rock/Alice_Cooper/* songs/Classic_Rock/Alice_Cooper

if i type that line then in 70% of the cases, the line does not go to the end of the terminal, rather when i reach in the middle of the terminal the cursor there slips off to the very-beginning of the terminal - [arnuld@arch ~$]" - and starts to overwrite things there. when i hit "Enter" then command runs fine but i can't see what command i typed in because the typing starts from the beginning automatically. e.g. it looks like this:

_Cooper@arch ~ $] cp -v songs/rock/Alice_Cooper/* songs/Classic_Rock/Alice

[arnuld@arch ~ $] cp -v songs/rock/Alice_Cooper/* songs/Classic_Rock/Alice_Cooper

compare the two commands. it is because cursor just slipped-off to the beginning and it overwrote the "[arnuld"

this does not happen when my login shell is ZSH. what could be the problem... a BASH bug ?

mucknert · 2007-07-23 17:00:46

I've experienced that problem, too. I'd say that it is indeed a problem of bash. For me, it happens whenever PS1 or PS2 is set to something funky. But I can't really reproduce that all the time. For now, I just do all my bash-work in xfce4-terminal. Does not happen in there for me.

geek.arnuld · 2007-07-23 17:09:27

mucknert wrote:

I've experienced that problem, too. I'd say that it is indeed a problem of bash. For me, it happens whenever PS1 or PS2 is set to something funky.

yeah, my PS2 is default and PS1 is this:
PS1="\e[1m\][\e[1;32m\]\u@\h\\e[1;31m\] \W \$\e[0m\]\e[1m\]]\e[0m\] "

mucknert wrote:

But I can't really reproduce that all the time.

i *can* reproduce that most of the times :-(

mucknert wrote:

For now, I just do all my bash-work in xfce4-terminal. Does not happen in there for me.

i no longer use Desktops but i had the same problem in Xfce terminal too. these days i use "wmii"

mucknert · 2007-07-23 17:14:23

Yeah. There you go. Unset your PS1 and see if it keeps happening.

skymt · 2007-07-23 17:54:16

You should surround non-printing characters (color codes, etc) in your prompt string with "\[" and "\]". Otherwise Bash can't calculate how long your prompt is.

luca · 2007-07-23 18:55:32

Try also with this in your .bashrc:

shopt -s checkwinsize

test1000 · 2007-07-24 07:25:55

this is how the bashfaq in my sig recommends you and how i set my PS1:

BLUE=`tput setf 1`
GREEN=`tput setf 2`
CYAN=`tput setf 3`
RED=`tput setf 4`
MAGENTA=`tput setf 5`
YELLOW=`tput setf 6`
WHITE=`tput setf 7`

PS1='\[$BLUE\]\u \[$YELLOW\]\w\[$CYAN\] \$\[$WHITE\] '

Makes it a bit more readable and understandable.

FUBAR · 2007-07-24 07:34:56

I need to get in on this bashfaq thingy. *find back post*

geek.arnuld · 2007-07-24 07:44:06

test1000 wrote:

this is how the bashfaq in my sig recommends you and how i set my PS1:
BLUE=`tput setf 1`
GREEN=`tput setf 2`
CYAN=`tput setf 3`
RED=`tput setf 4`
MAGENTA=`tput setf 5`
YELLOW=`tput setf 6`
WHITE=`tput setf 7`
PS1='\[$BLUE\]\u \[$YELLOW\]\w\[$CYAN\] \$\[$WHITE\] '
Makes it a bit more readable and understandable.

great buddy... also thanks for the BASH FAQs :-)

Arch Linux

#1 2007-07-23 15:57:48

BASH problem

#2 2007-07-23 17:00:46

Re: BASH problem

#3 2007-07-23 17:09:27

Re: BASH problem

#4 2007-07-23 17:14:23

Re: BASH problem

#5 2007-07-23 17:54:16

Re: BASH problem

#6 2007-07-23 18:55:32

Re: BASH problem

#7 2007-07-24 07:25:55

Re: BASH problem

#8 2007-07-24 07:34:56

Re: BASH problem

#9 2007-07-24 07:44:06

Re: BASH problem

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