#!/bin/sh
# this is an example of how to use /bin/sh and LPRng
# to get the command line and printcap option values
# and set shell variables from them
#  Note that we use a couple of variables
#PATH=/bin:/usr/bin
Args=""
vAr=""
vAlue=""
vAls=""
iI=""
Tf=""
if -n $Debug ; then
	set >/tmp/before
fi
Args="$@"
if -n $Debug ; then
	echo "$@" >>/tmp/before
fi
while expr "$1" : '-.*' >/dev/null ; do
  vAr=`expr "$1" : '-\(.\).*'`;
  vAlue=`expr "$1" : '-.\(.*\)'`;
  case "$vAr" in
    - ) break;;
    c ) c=1;;
    [a-zA-Z] )
      if test "X$vAlue" = "X" ; then shift; vAlue=$1; fi;
      eval $vAr='$vAlue';
      #setvar $vAr "$vAlue"
      ;;
  esac;
  shift;
done

# set shell variables to the printcap options
#  flag   ->  flag=1
#  flag@  ->  flag=0
#  option=value ->  option='value'
#
setpcvals () {
    while test "$#" -gt 0 ; do
      iI=$1
      if expr "$iI" : " *\:" >/dev/null ; then
        vAr=`expr "$iI" : " *\:\([^#=][^#=]*\)[#=].*"`;
        vAlue=`expr "$iI" : " *\:[^#=][^#=]*[#=]\(.*\)"`;
        if test "X$vAr" = "X" ; then
          vAr=`expr "$iI" : " *:\(.*\)@"`;
          vAlue=0;
        fi
        if test "X$vAr" = "X" ; then
          vAr=`expr "$iI" : " *:\(.*\)"`;
          vAlue=1;
        fi
        if test "X$vAr" != "X" ; then
          eval $vAr='$vAlue';
          #setvar $vAr "$vAlue"
        fi
      else
        vAr=`expr "$iI" : " *\([^|][^|]*\).*"`;
        if test "X$vAr" != "X" ; then
          eval Printer="$vAr"
        fi
      fi;
	  shift
    done
}

# set shell variables to the printcap options
#  flag   ->  flag=1
#  flag@  ->  flag=0
#  option=value ->  option='value'
#
setcontrolvals () {
    while test "$#" -gt 0 ; do
      iI=$1
      vAr=`expr "$iI" : " *\([A-Z]\).*"`;
      vAlue=`expr "$iI" : " *[A-Z]\(.*\)"`;
      if test "X$vAr" != "X" ; then
        eval $vAr='$vAlue';
        #setvar $vAr "$vAlue";
      fi;
	  shift
    done
}

Tf=$IFS
IFS="
"
setpcvals $PRINTCAP_ENTRY
setcontrolvals $CONTROL
IFS=$Tf

# 
# restore argument list
set -- $Args
Args=""
vAr=""
vAlue=""
vAls=""
iI=""
Tf=""

if test -n "$Debug" ; then
	set >/tmp/after
	echo "$@" >>/tmp/after
	diff /tmp/before /tmp/after
fi
cat
exit 0