Re: [Help-bash] prompt help

[Chet Ramey]

On 2/13/12 3:44 PM, Greg Wooledge wrote:
> On Mon, Feb 13, 2012 at 09:13:27PM +0100, Geir Hauge wrote:
>> And here's using Chet's idea and with a different way of parsing PWD.
>> Putting the following block of code in ~/.bashrc should give you the
>> desired effect.
>>
>> setmypwd() {
>>     mypwd=$(
>>         while read -rd /; do
>>             printf /%.1s "$REPLY"
>>         done <<< "${PWD#/}"
>>         printf /%s "$REPLY"
>>     )
>> }
> 
> This is forking a subshell, though.  You can get around that by building
> up the mypwd variable directly:

While that's true, I argue that you can absorb the cost of a subshell if
you're only running this when you change directories.

Chet
-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/