Re: TZ=... date affected PROMPT_COMMAND

[Matthew Woehlke]

jidanni@jidanni.org wrote:
> Never thought that putting TZ here would infect my prompt,
>
> 21:07 ~$ date
> Wed Apr 16 21:07:54 CST 2008
> 21:07 ~$ TZ=America/Chicago date
> Wed Apr 16 08:08:07 CDT 2008
> 08:08 ~$ set a b c
> 08:08 ~$ date
> Wed Apr 16 21:08:22 CST 2008
> 21:08 ~$
>
> all the way until the next non built-in command.
> Need to do sh -c 'TZ=America/Chicago date'
> if one doesn't want their prompt affected.

You didn't mention what version of bash you are using. I was unable to 
reproduce this on 3.00.15 or 3.2.5.

> (On the other hand, what I do in .bashrc is black magic to me too:)
> PROMPT_COMMAND='prompt_tricks_z=" $?"; prompt_tricks_z=${prompt_tricks_z# 0}

Well, you could always read the bash manual to decipher the above :-). 
I'll leave that as an exercise for you; the function of the above is 
actually very straight-forward.

>  case $PWD in $HOME) pwd=\~;; *) pwd=${PWD##*/};; esac' #cfaj.freeshell.org

This part is unneeded. If I understand it correctly, you could remove 
this line and replace '\$pwd' in your PS1 with \W to achieve the same 
effect.

--
Matthew
> pinotree uses the large trout on tsdgeos and PutHuhn :)
> PutHuhn runs
> tsdgeos lights a fire and eats the trout
(with apologies to Pino Toscano, PutHuhn and Albert Astals Cid, who came 
up with this entirely on their own)