2006-10-30 <1162233231.589401.149050@i42g2000cwa.googlegroups .com>,
EdStevens wrote:
>
> Radoulov, Dimitre wrote:
>> >> > Trying to set PS1 to reflect the current value of a user environment
>> >> > variable, when running in sh.
>> >> >
>> >> > Most of my systems I am running in ksh, and my PS is set as follows:
>> >> >
>> >> > export PS1=`hostname`'.''$ORACLE_SID> '
>> >> >
>> >> > so that my prompt always shows the current value of $ORACLE_SID. But
>> >> > it appears that this syntax doesn't yeild the same results with sh.
>> >> > There, instead of returning the value of $ORACLE_SID, it simply returns
>> >> > the literal "$ORACLE_SID".
>> >> [...]
>> >>
>> >> $ PS1=`hostname`'.''$ORACLE_SID> '
>> >> xxx.ora10gr2> sh
>> >> xxx.$ORACLE_SID> PS1="`hostname`.$ORACLE_SID>"
>> >> xxx.ora10gr2>
>> [...]
>> > Which returns the LITERAL "$ORACLE_SID". I need the VALUE of the
>> > ORACLE_SID variable, like this:
>> >
>> > $> ORACLE_SID=db01
>> > $> echo $ORACLE_SID
>> > $> db01
>> > $> PS1= "`hostname`'.'?????'>'
>> > db01>
>> > db01> ORACLE_SID=db02
>> > db02> echo $ORACLE_SID
>> > db02> db02
>>
>>
>> For sh you could define a function and use it to set the PS1:
>>
>> setorasid() {
>> ORACLE_SID="$1"
>> PS1="$ORACLE_SID>"
>> export ORACLE_SID PS1
>> }
>>
>> $ setorasid db01
>> db01>setorasid db02
>> db02>
>>
>>
>> Regards
>> Dimitre
>
> Dimitre and Jordan,
>
> thanks for tips. I'll play around with them and see how it goes. Of
> course, since ksh will allow me to get the 'dynamic' setting of PS1
> (with no other functions, etc. required) I was hoping that sh would as
> well, albeit with some modifications to the syntax.

So there isn't _anything_ else on the system where you're forced to use
sh? not bash, not zsh, not anything?