addperson

Berkely的学生写的

#!/bin/sh 
# Name: addperson 
# Desc: add a person addressbook 
# Args: -n <name> 
# -e <email> 
# -a <postal address> 
# -p <phone number> 

# initialize the variables 

PATH=/bin:/usr/bin 
MYADDRESSBOOK=./addressbook 
NAME="" 
EMAIL="" 
ADDR="" 
PHONE="" 

# create a function to remove the : from user input 

remove_colon() { echo "$@" | tr ':' ' ' ; } 

if [ $# -lt 1 ] ; then 

    # this is interactive mode 

    # enable erasing input 

    stty erase '^?' 

    # prompt for the info 

    printf "%-10s " "Name:" ; read NAME 
    printf "%-10s " "Email:" ; read EMAIL 
    printf "%-10s " "Address:" ; read ADDR 
    printf "%-10s " "Phone:" ; read PHONE 
    
else 

    # this is non-interactive mode 

    # initialize a variable for the usage statement 
    
    USAGE="`basename $0` [-n name] [-e email] [-a address] [-p phone]" 

    # scan the arguments to get the info 

    while getopts n:e:a:p:h OPTION 
    do 
	case $OPTION in 
	    n) NAME="$OPTARG" ;; 
	    e) EMAIL="$OPTARG" ;; 
	    a) ADDR="$OPTARG" ;; 
	    p) PHONE="$OPTARG" ;; 
	    \?|h) echo "USAGE: $USAGE" >&2 ; exit 1 ;; 
	esac 
    done 
fi 

NAME="`remove_colon $NAME`" 
EMAIL="`remove_colon $EMAIL`" 
ADDR="`remove_colon $ADDR`" 
PHONE="`remove_colon $PHONE`" 

echo "$NAME:$EMAIL:$ADDR:$PHONE" >> "$MYADDRESSBOOK" 

exit $?