RE: Unix question: how to display SID and path in prompt

From: <Jared.Still_at_radisys.com>
Date: Mon, 26 Aug 2002 11:08:23 -0800
Message-ID: <F001.004BFB6E.20020826110823@fatcity.com>

> Also be aware that when using backticks in your PS1 variable, you are
> influencing $? as a result.

I don't find that to be true with pdksh - PD KSH v5.2.14 99/07/13.2

function go {

   \cd $1

   typeset -Z2 _h; typeset -Z2 _m                  # 2 digits, zero padded

   _hh="(SECONDS/3600)%24" _mm="(SECONDS/60)%60" # hours, minutes    _time='${_x[(_m=_mm)==(_h=_hh)]}$_h:$_m'    typeset bold=$(tput bold)
   typeset shy=$(tput rmso)
   PS1="[ `pwd` ]"
   PS1=$PS1`echo
"\n\n${bold}$_time-${UMACHINE}:${ORACLE_SID}${shy}:${LOGNAME}-$TTY > "`

   # need to be able to turn xtitle off when using 'go'    if [ "$TERM" = "xterm2" -o "$TERM" = "xterm" ] ;then

      # don't do xtitle if NO_CD_TITLE is set or in SCREEN
      #[ "$NO_CD_TITLE" -o "$WINDOW" -ge 1 ] || xtitle ${MACHINE}:${PWD}
      :

   fi
}

alias cd='go '

---

10:2-rsysdevdb:dv01:jkstill-3 > rm this_file_does_not_exist rm: cannot remove `this_file_does_not_exist': No such file or directory [ /home/jkstill/tmp ]

10:2-rsysdevdb:dv01:jkstill-3 > echo $?
1
[ /home/jkstill/tmp ]

10:2-rsysdevdb:dv01:jkstill-3 > echo $?
0
[ /home/jkstill/tmp ]

10:2-rsysdevdb:dv01:jkstill-3 >

Jared

"Curiel, David" <david.curiel_at_pioneer.com> Sent by: root_at_fatcity.com
08/26/2002 08:23 AM
Please respond to ORACLE-L  

        To:     Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
        cc: 
        Subject:        RE: Unix question: how to display SID and path in prompt

Also be aware that when using backticks in your PS1 variable, you are influencing $? as a result.  

What happens, is that when you run a command (i.e. "rm <some_file_that_doesnt_exist>") and then say "echo $?", you are getting the
return code ($?) of your PS1 execution (which is likely to always be 0) - NOT the $? of the "rm" command.  

David Curiel  

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Received on Mon Aug 26 2002 - 14:08:23 CDT