Re: Bash escape character troubles

[Troy Curtis Jr]

On 7/16/07, donothing successfully <address@hidden> wrote:
> On 16/07/07, Jean Jordaan <address@hidden> wrote:
>
> > > Why do both use PROMPT_COMMAND to output your prompts?
> >
> > I use it to set the window title as described here:
>
> Oh, it appears I've completely misunderstood what you were trying to do!
> Sorry.
>
> I haven't been able to replicate your problems with gnome
> terminal, my version is 2.14.2.
>
> I don't get the example you provided:
> http://lists.gnu.org/archive/html/screen-users/2007-07/msg00009.html
>
> > """
> > address@hidden:~$ echo $PROMPT_COMMAND
> > echo -ne "address@hidden:${PWD/#$HOME/~}\033\\
> > address@hidden:${PWD/$HOME/~}\033\\"
> > """
>
> shouldn't there be an '\033k' somewhere to start the escape
> sequence off?
>
> I tried defining a function to do the escaping and called it
> from PROMPT_COMMAND:
> """
> harry8~> function settitle() { echo -n -e '\033k'"$@"'\033\134'; }
> harry8~> PROMPT_COMMAND='settitle address@hidden:${PWD/$HOME/\~}'
> """
> which worked for me at least. ;-)
>
> cheers
> H.
>
>
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I got it working with some help from do nothings suggestion.  I really
liked his suggestion of using a function to the escaping, it really
clears up what is going on.  Then I simply removed "134".  I had found
the original code I got this from which stated they were using "\134"
for "\" because of a bug in an earlier bash.

I had tried a similar thing before, but with everything defined
directly in the PROMPT_COMMAND line I ended up with "\$" which didn't
work and "\\$" didn't parse right.

Thanks donothing!

Now do you know what I might need to do to get those single tick
marks? (Actually I think they are forward tick marks that I have
problems with.) :)

Troy
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