Patch to pg_ctl to better support paths containing spaces

Attached is a set of changes to pg_ctl that I have been using that fixes
problems I have had with pg_ctl when the paths contains spaces.

thanks,
--Barry
*** ./bin/pg_ctl/pg_ctl.sh.orig    Wed Sep 19 18:24:10 2001
--- ./bin/pg_ctl/pg_ctl.sh    Wed Sep 19 21:08:49 2001
***************
*** 12,18 ****
  #
  #-------------------------------------------------------------------------

! CMDNAME=`basename $0`

  help="\
  $CMDNAME is a utility to start, stop, restart, and report the status
--- 12,18 ----
  #
  #-------------------------------------------------------------------------

! CMDNAME=`basename "$0"`

  help="\
  $CMDNAME is a utility to start, stop, restart, and report the status
***************
*** 82,89 ****
          self_path=`echo "$0" | sed 's,/[^/]*$,,'`       # (dirname command is not portable)
  else
          # look for it in PATH ('which' command is not portable)
!         for dir in `echo "$PATH" | sed 's/:/ /g'`
      do
                  # empty entry in path means current dir
                  [ -z "$dir" ] && dir='.'
                  if [ -f "$dir/$CMDNAME" ]
--- 82,90 ----
          self_path=`echo "$0" | sed 's,/[^/]*$,,'`       # (dirname command is not portable)
  else
          # look for it in PATH ('which' command is not portable)
!         for dir in `echo "$PATH" | sed 's/ /\\\_/g' | sed 's/:/ /g'`
      do
+                 dir="`echo $dir | sed 's/\\\_/ /g'`"
                  # empty entry in path means current dir
                  [ -z "$dir" ] && dir='.'
                  if [ -f "$dir/$CMDNAME" ]
***************
*** 225,237 ****
  esac


! DEFPOSTOPTS=$PGDATA/postmaster.opts.default
! POSTOPTSFILE=$PGDATA/postmaster.opts
! PIDFILE=$PGDATA/postmaster.pid

  if [ "$op" = "status" ];then
!     if [ -f $PIDFILE ];then
!     PID=`sed -n 1p $PIDFILE`
      if [ $PID -lt 0 ];then
          PID=`expr 0 - $PID`
          echo "$CMDNAME: postgres is running (pid: $PID)"
--- 226,238 ----
  esac


! DEFPOSTOPTS="$PGDATA/postmaster.opts.default"
! POSTOPTSFILE="$PGDATA/postmaster.opts"
! PIDFILE="$PGDATA/postmaster.pid"

  if [ "$op" = "status" ];then
!     if [ -f "$PIDFILE" ];then
!     PID=`sed -n 1p "$PIDFILE"`
      if [ $PID -lt 0 ];then
          PID=`expr 0 - $PID`
          echo "$CMDNAME: postgres is running (pid: $PID)"
***************
*** 248,255 ****
  fi

  if [ "$op" = "stop" -o "$op" = "restart" ];then
!     if [ -f $PIDFILE ];then
!     PID=`sed -n 1p $PIDFILE`
      if [ $PID -lt 0 ];then
          PID=`expr 0 - $PID`
          echo "$CMDNAME: Cannot restart postmaster.  postgres is running (pid: $PID)" 1>&2
--- 249,256 ----
  fi

  if [ "$op" = "stop" -o "$op" = "restart" ];then
!     if [ -f "$PIDFILE" ];then
!     PID=`sed -n 1p "$PIDFILE"`
      if [ $PID -lt 0 ];then
          PID=`expr 0 - $PID`
          echo "$CMDNAME: Cannot restart postmaster.  postgres is running (pid: $PID)" 1>&2
***************
*** 266,272 ****

          while :
          do
!         if [ -f $PIDFILE ];then
              $silence_echo $ECHO_N "."$ECHO_C
              cnt=`expr $cnt + 1`
              if [ $cnt -gt $wait_seconds ];then
--- 267,273 ----

          while :
          do
!         if [ -f "$PIDFILE" ];then
              $silence_echo $ECHO_N "."$ECHO_C
              cnt=`expr $cnt + 1`
              if [ $cnt -gt $wait_seconds ];then
***************
*** 283,289 ****
      fi
      $silence_echo echo "postmaster successfully shut down"

!     else # ! -f $PIDFILE
      echo "$CMDNAME: cannot find $PIDFILE" 1>&2
      echo "Is postmaster running?" 1>&2
      if [ "$op" = "restart" ];then
--- 284,290 ----
      fi
      $silence_echo echo "postmaster successfully shut down"

!     else # ! -f "$PIDFILE"
      echo "$CMDNAME: cannot find $PIDFILE" 1>&2
      echo "Is postmaster running?" 1>&2
      if [ "$op" = "restart" ];then
***************
*** 296,316 ****

  if [ "$op" = "start" -o "$op" = "restart" ];then
      oldpid=""
!     if [ -f $PIDFILE ];then
      echo "$CMDNAME: Another postmaster may be running.  Trying to start postmaster anyway." 1>&2
!     oldpid=`sed -n 1p $PIDFILE`
      fi

      # no -o given
      if [ -z "$POSTOPTS" ];then
      if [ "$op" = "start" ];then
          # if we are in start mode, then look for postmaster.opts.default
!         if [ -f $DEFPOSTOPTS ]; then
!         eval set X "`cat $DEFPOSTOPTS`"; shift
          fi
      else
          # if we are in restart mode, then look for postmaster.opts
!         eval set X "`cat $POSTOPTSFILE`"; shift
              po_path="$1"
              shift
      fi
--- 297,317 ----

  if [ "$op" = "start" -o "$op" = "restart" ];then
      oldpid=""
!     if [ -f "$PIDFILE" ];then
      echo "$CMDNAME: Another postmaster may be running.  Trying to start postmaster anyway." 1>&2
!     oldpid=`sed -n 1p "$PIDFILE"`
      fi

      # no -o given
      if [ -z "$POSTOPTS" ];then
      if [ "$op" = "start" ];then
          # if we are in start mode, then look for postmaster.opts.default
!         if [ -f "$DEFPOSTOPTS" ]; then
!         eval set X "`cat "$DEFPOSTOPTS"`"; shift
          fi
      else
          # if we are in restart mode, then look for postmaster.opts
!         eval set X "`cat "$POSTOPTSFILE"`"; shift
              po_path="$1"
              shift
      fi
***************
*** 319,325 ****
      fi

      if [ -n "$logfile" ]; then
!         "$po_path" "$@" </dev/null >>$logfile 2>&1 &
      else
          # when starting without log file, redirect stderr to stdout, so
          # pg_ctl can be invoked with >$logfile and still have pg_ctl's
--- 320,326 ----
      fi

      if [ -n "$logfile" ]; then
!         "$po_path" "$@" </dev/null >>"$logfile" 2>&1 &
      else
          # when starting without log file, redirect stderr to stdout, so
          # pg_ctl can be invoked with >$logfile and still have pg_ctl's
***************
*** 330,337 ****
      # if had an old lockfile, check to see if we were able to start
      if [ -n "$oldpid" ];then
      sleep 1
!     if [ -f $PIDFILE ];then
!         if [ "`sed -n 1p $PIDFILE`" = "$oldpid" ];then
          echo "$CMDNAME: cannot start postmaster" 1>&2
          echo "Examine the log output." 1>&2
          exit 1
--- 331,338 ----
      # if had an old lockfile, check to see if we were able to start
      if [ -n "$oldpid" ];then
      sleep 1
!     if [ -f "$PIDFILE" ];then
!         if [ "`sed -n 1p "$PIDFILE"`" = "$oldpid" ];then
          echo "$CMDNAME: cannot start postmaster" 1>&2
          echo "Examine the log output." 1>&2
          exit 1