On Fri, May 15, 2015 at 09:49:12PM -0500, David Wright wrote:
> Quoting Thomas H. George (li...@tomgeorge.info):
> > >
> > Your explanation is very helpful, converts the jumble I copied from a
> > website into a logical sequence of instructions. I really appreciate
> > being able to understand the meaning of the prompt.
>
> This conversation made me revisit my own prompt which I have now
> modified. I thought I'd share it with you in case any part of it
> should be helpful.
>
> LOCAL_COLOR is set in a host-specific file that also sets things like
> different colours for midnight commander (mc) so I know which host I'm on.
>
> PROMPT_COMMAND adds a space after the return code and then removes
> itself if it would print zero. It also sets the title-bar in an xterm,
> again so I know where I am. (I have a couple of dozen xterms, some
> ssh'd to other hosts.) Putting the tty number in the title bar makes
> it easier to kill an xterm should it freeze.
>
> PS1 makes any non-zero return code stand out; then the local colour
> takes over the rest of the prompt. Note that the "0;" is required in
> LOCAL_COLOR to cancel the earlier "1;" that highlights the return code.
> Breaking the PS1 line into 3 parts avoids another level of quoting.
>
>
> LOCAL_COLOR='\e[0;34m' # blue (this is in ~/.bash-<hostname>)
>
> export PROMPT_COMMAND='MYPROMPT="$? " && [ "$MYPROMPT" = "0 " ] &&
> MYPROMPT=""'
> case $TERM in
> xterm*)
> export PROMPT_COMMAND+=" || echo -ne '\e]0;${HOSTNAME^^}
> $(tty) ${HOSTNAME^^}\a'"
> ;;
> esac
>
> export PS1='\[\e[1;33;41m\]$MYPROMPT\['
> export PS1+="$LOCAL_COLOR"
> export PS1+='\]\H!\u \t \w \$ \[\e[m\]'
> unset LOCAL_COLOR
Is all that in one file? Is it sourced via .bashrc?
--
"If you're not careful, the newspapers will have you hating the people
who are being oppressed, and loving the people who are doing the
oppressing." --- Malcolm X
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