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Re: escape codes for ksh in /etc/profile ... was Re: mkpasswd, mkgroup - initial

On Tue, 22 Nov 2005, Robert Body wrote:

> I don't suppose there is a way of NOT letting %HOME% take priority over
> "/etc/passwd" for my home directory?

Yes.  Edit /Cygwin.bat and add "unset HOME" right before invoking bash.

> Brian,since you know about so many things, how come the following ksh
> doesn't work in
> 1) Linux xyz 2.4.7-10 #1 Thu Sep 6 17:27:27 EDT 2001 i686 unknown
> 2) HP-UX xyz B.11.00 U 9000/785 2004606272 unlimited-user license
> the PS1 line below puts path into the title of the xterm, and puts
> "$PWD" into prompt and this works fine in bash (different section of
> /etc/profile), but not in ksh

bash uses a different set of escape codes.  The below is actually a bug in
the default /etc/profile -- the '^[' symbols should be literal Esc (0x1B)
characters, and '^G' should be 0x07 characters.  I've reported this
before, but it probably is time to bring it up again.

> ---------taken from cygwin's /etc/profile--------------------
> ...
> ksh*     | -ksh*     | */ksh* | \
> ksh*.exe | -ksh*.exe | */ksh*.exe )
>        # Set a HOSTNAME variable
>        typeset -l HOSTNAME
>        # Set a default prompt of: user@host and current_directory
>        PS1='^[]0;${PWD}^G
> ^[[32m${USER}@${HOSTNAME} ^[[33m${PWD}^[[0m
> $ '
> -------------------------------------------------------------
> Basically the escape codes are being ignored in ksh,

Those aren't escape codes, those are improperly pasted control characters.

> but it came from cygwin's /etc/profile so it must be perfect right?


      |\      _,,,---,,_
ZZZzz /,`.-'`'    -.  ;-;;,_
     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski, Ph.D.
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

If there's any real truth it's that the entire multidimensional infinity
of the Universe is almost certainly being run by a bunch of maniacs. /DA

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