Помогите!

1: echo 'Hello, world!'
2: man sh || man bash

#!/bin/sh

usage="Usage: lpr1 [-h] [file1.ps [-o file1_ru.ps]]...\n -h -- this help\n  (no 
arg) -- print ps-stdin in russian fonts\n file.ps -- print ps-file in russian fo
nts\n file.ps -o file_ru.ps -- convert fonts in russian ones"
prev=
is_file=0
header="/etc/netscapr.pro"

if test $# -eq 0
then cat > /tmp/lpr1$$
     cat $header /tmp/lpr1$$ | lpr
     rm -f /tmp/lpr1$$
     exit
else while test $# -gt 0
     do case $1 in
        -h) echo -e "Copyright (C) 2000 xxxxxxx\n"
            echo -e $usage
            exit ;;
        -o) if test -z $prev
            then echo -e $usage
                 exit
            fi
            if test $# -eq 1
            then echo -e $usage
                 exit
            fi
            shift
            cat $header $prev > $1
            shift
            is_file=0 ;;
        -?) echo "$0: no option $1"
            echo -e $usage
            exit ;;
        *) if test $is_file -eq 1
           then cat $header $prev | lpr
           fi
           if test -s $1
           then prev=$1
                is_file=1
           else echo -e $usage
                exit
           fi
           shift ;;
        esac
     done
     if test $is_file -eq 1
     then cat $header $prev | lpr
     fi
fi
exit